Experiment

Today in aliens we did a experiment in the lab.

For our experiment we burner 6 different metal chlorides using the bunsen burner. Each different metal chloride caused the flame to turn a different colour, but before we used the metal chlorides we turned a little silver thing on the bunsen burner until the  flame turned blue. after each chloride we had to tap off the excess chloride on the wood that was placed under the bunsen burner. The 6 chlorides that were used were copper, lithium, magnesium, sodium, Potassium and strontium. If you use a special type of telescope you will notice that the stars aren't actually white, The stars you see at night are colours depending on the temperature of that star, The hotter stars will appear as blue or white but then the colder stars are red. The blue or white stars are 6,000-7,000k but the red stars are under 3,500k.

Metal Chloride Experiment Evaluation

Metal Chloride Experiment Evaluation

The experiment that we did today involved a range of different metal chlorides and a bunsen burner. We lit the bunsen burner and put the different types of metal chloride on a long piece of metal to hold above the flame. We had Copper Chloride, Potassium chloride, Strontium Chloride and Sodium Chloride. All of these different metal chloride reacted differently to being held above the flame from the bunsen burner. We had a google doc to record our objectives subjectives, observations and inferences.

I don't think that this is a very good representation of the science of stars because the experiment is very inaccurate. Stars change colours based on their temperature. When the star is hot it is blue colour, when it is cold it turns red. We weren't able to find the temperature of the flame when burning the metal chloride so we couldn't identify wether when the flame was blue it was hotter than the red flame.

Some of the strengths of the experiment is that it does show two of the colours that stars could shine. 

experiment >:)

Today i did a experiment with fire.

i used magnesium chloride it is red 
sodium chloride it was red orange but now is orange
is was fun

Today In Aliens, instead of doing our normal work in Golf, we went in to the science Lab and did something more fun. It was an experiment that included fire and chloride. Most of the white chlorides turns into red once we put it in fire including the yellow one. But there was one chloride that had a different color from all of them, and it was the aqua one. It turned out having green blue and a little bit of pink. One of the chlorides also bubbled up once we put it in fire. It was amazing to see what happens when we included fire and chloride together.

Expriment

Today  we burned different chlorides under the Bunsen burner to see what colour they would these are some of the results.
Copper Chloride Light blue
Lithium Chloride Red
Strontium Chloride Red
Magnesium Chloride Red
Sodium Chloride Orange
Potassium Chloride Red/Orange

experiment-kyah

In the lab, we did an experiment burning metal chlorides and seeing if they were an actual representation of the colours of stars. The metal chlorides we used were potassium, lithium, copper, magnesium, strontium,sodium, and assessed to see if the chloride burned a colour accurate to the stars. The copper chloride burned a green colour similar to the colour it was as a solid, while the magnesium was a purple colour,

In conclusion, i believe that the experiment, while it was fun, is an inaccurate representation of the colours of stars, as colours of stars change colours due to the heat, and we kept it on a consistent heat, so it would not have changed, unlike the experiment.

Experiment - Matthew

We recently conducted an experiment to find out how a stars colour was decided. We actually discovered that we were wrong about what caused the stars colour. It's actually the temperature that decides. Here is the data we gathered.

Strontium: Red and turns green. Quite powerful. Feeling slightly heavier.

MAGNESIUM: bubbled. STARTED PURPLE, TURNED CYAN, HINT OF GREEN, BACK TO MAGENTA,

Sodium: Major  orange colour. Erupts into flames.

Potassium: Grains are popping. Red-ish colour. All jumped off

Copper: Turqoise at the start. Turns green, melts into a liquid and sparks.

Lithium: Rosy red.


Overall it was a cool experiment and I hope to continue with more exciting things soon.

Experiment - Sarah

Reflection from experiment

The experiment we did today was.......

Today in science we did an experiment with fire and chlorides. We added a pinch of Magnesium, Sodium, Copper and Potassium to the fire. When the chlorides touched the fire they created a reaction, a colourful reaction. 

Was the experiment an accurate representation of the science behind the colour of the stars?

The experiment wasn't an accurate representation of the stars because, we didn't change the temperature of the fire t match the temperature of the stars. Also stars are made of several different materials, and they are all different sizes. We couldn't have created an accurate representation of the stars today. 

Bunsen Burner Experiment

Today we did an experiment to find out what gave stars their colours by burning different chemicals with bunsen burners, each chemical that we burned turned the colour of a star, later we learned that stars got their colours from their temperature believe it or not if the star is red then it is the coolest temperature possible and if it is blue then it is the hottest temperature possible.

Experiment

Today in science we burnt different chlorides using a bunsen burner. When we put the chlorides in the fire it made a colourful reaction. We added a pinch of each different chloride, to see the different colours. We used magnesium, potassium, sodium, copper they all were different colours in the flame. 

Was the expirement an accurate representation of the science behind the colour of the stars?
It was an accurate representation of the stars because it didn't change the temperature of the flame to match the temperature of the stars.  

Alien Blog Post

Today, we did an experiment with fire and chemicals.We used copper chloride,magnesium chloride,strontium chloride,sodium chloride,calcium chloride and potassium chloride.Using the chemicals,we used a metal stick that is curved a little on one side a few centimeters away from the end and scoop a little bit of the chemical and put it over the fire and watch what happens to the fire. It was really interesting.

Experiment - Kaea

Today in the science lab we burnt different types of chloride such as, Copper, Magnesium, Lithium, etc.
This was a good experiment for the representation of stars because of the way the different materials burnt. Showing how hot it can get depending on what colour the flame turns such as red not that hot and blue the hottest. With the chlorides the colour range was red, orange, green and blue.

Alice's Reflection

Today in block 1 of Aliens we did an experiment in the lab. We were using a bunsen burner flame and burnt 5-6 different chloride substances which were: Copper, Magnesium, Sodium, Lithium, Strontium and Potassium. When all of them were put under the blue flame they all turned the flame different colour depending on what substance you used on the flame.
Here are what colours they turned into:

Lithium chloride: Bright red fire, Copper chloride: Vibrant blue and green colour with some sparks in it as well.Strontium Chloride: Yellow in the middle and bright red on the outside.Magnesium Chloride: red with slightly red colour as well.Potassium Chloride: A red/magenta colour.

I believe that this was an actual representation of the colours in space. One of the best examples is that on the bunsen burner the yellow fire was actually colder than the blue flame which was way hotter than the yellow one. which is just like the stars. Stars that are very hot turn a vibrant blue colour and starts that are bright red are colder. Also, a few of the experiments were like that as well when you added certain substances which would turn some a bright red or blue and I believe that the blue flame  

The Experiment Description

The Experiment...

In our Aliens Experiment today we were in the lab space. We were using something called a Bunsen burner. These are a small gas Burner in a way that the fuel gas on a jet pump , the combustion air partially draws itself. In our experiment we used these to show off a amazing flame difference with the different chemicals. These Chemicals are called: Lithium which is a soft silver-white metal That is used in batteries, Copper which is a type of metal that it is soft and malleable, Potassium is a chemical element Symbol K.There were different types of flames in this, such as a neon flame, a normal flame and a green blue and red flame. Very amazing to see and I would defiantly do it again. The flames were the best part about it. This is made my gas gas being controlled in the ways of power so pretty much huge and will be uncontrollable if not taken care of, and smooth where it is just running smooth with no bumps in the way. The gas a the flame changed colour depending on the chemical.
This is what the Copper, Potassium and Lithium looked like.

The Description

Its was amazing to see how the different substances formed into flame, watching them grow and change colour blew my mind. These were very fun to create and see how it all combines. Now we can start to use this information to find out more about how the stars and planets got its colour from space and chemical reactions. If we had done more of this with different types of uses what could we have made, what would we have seen from all these different reactions to the gas and flame, what could all this accomplish with others, would this become a weapon of some sort or will it just be what it is today. The things is how it all this done with the gas and the flame and the chemicals. Does this all have a meaning to it. When all this was made I was very surprised to see what the outcomes were. I thought all this was amazing, how do the planets and stars create all of this in space, won't there be certain things that won't mix and could cause a chain reaction. The flames are amazing to describe, when the copper was put into the gas I was very shocked to see how the flame turned to blue and green.

The Discussion

This experiment was amazing. I really enjoyed making all this with my group and the class,, this would be something I would do more often if I had the time, I would go to more places to learn about all this and how ti works.

Some of the facts about this are:

1. Lithium is used in aircraft manufacture and in certain batteries.
2. Copper is a chemical element with the symbol CU and atomic number of 29
3. When you light up the fire and put Copper on it it turns green and blue.
4. When yo light up the fire on Potassium it turns pink and purple.
5. When you light up the lithium it turns red.
6. The Bunsen Burner was made in March 31, 1811-August 16, 1899.
7. The Bunsen Burner was made and named after Robert Wilhelm Bunsen.

Burning metal chlorides

• Today in our scientific procedure, we observed and created a variety of different colored flames, by placing small amounts of metal chlorides over a controlled flame. The colorful fascinating flames that we produced only lasted for a little while, eventually the flames returned to a more solid and more stable condition. Potassium, Sodium, Strontium, and Copper were some of the chlorides used in this experiment. In my opinion the experiment that I was involved in was not an accurate representation of the science behind the color of stars. Colored flames are made from metal Chlorides, whereas the color of stars are made from heat. Cooler stars appears to be the color red, but if it was hotter, it would appear white or blue.

Jessie's reflection -

In Aliens today our class used a bunsen burner to burn multiple types of metal chlorides.The types that we used today where Copper Chloride,Magnesium Chloride,Strontium Chloride , Lithium Chloride and Potassium Chloride.

For today's experiment I think that it was inaccurate representation.What this means is that the colour of the flames were resolved by the multiple metal chlorides that we burn't. But since the colour of stars and the represent planets are on fire.I think that experiment was a inaccurate representation for the colour of stars.

Reflection From Expierment

The expierment that we did today was.....
Today in science we did an experment with fire and chlorides. When we put the chlorides in the fire it made a colourful reaction. We added a pinch of each different chloride every time we put it into the fire, to see the different colours. We tested magnesium, sodium, copper and potassium they all showed different coloursn in the flame.

Was the expirement and accurate representation of the science behind the colour of the stars?

The expierment wasnt an accurate representation because we didnt change the heat of the fire to match the tempture of the star. Also stars are made of lots of different materials and all different sizes, so we couldnt have an accurate representation of the colour of the stars.

Tia's reflection

My Reflection

The Experiment

Today in the class we used a Bunsen burner to burn different types of metal chlorides. The chlorides we burned are copper chloride, Potassium chloride, magnesium chloride, strontium chloride and lithium chloride, with varied results in colour. We Did this experiment to see if buring different chlorides would be a good representation of the different colours of the planets and stars.

Evaluate
Was this experiment an accurate representation of the star and or planets colours.  I would say No because the colours in the stars change because of different heats but with the chlorides the colour changed when we changed the chloride and not because we changed the heat, so this experiment although it was fun was not an accurate representation of star colours. The Pros and Cons would it looked really cool but the cons are that it is not an accurate representation of the colours of stars.

this is a video of the copper chloride burning.

Experiment

This is the experiment we did today, using a bunsen burner.
We burnt metal chlorides.
We used different types of chlorides to create the flame.

The experiment seemed like an accurate representation 

The Colours of Stars and Planets ~ An Accurate Representation?

Today during third block, we conducted an experiment where we burnt a range of metal chlorides to see the different colours that could be produced as a result of our actions. We were presented with a range of colours from pale green to bright pink - below are the following substances we tested and the colour they produced.

     

   

Above - Lithium Chloride ~ Bright Pink

     

Above - Copper Chloride ~ Ghostly Green with a Blue Outline

   

Above - Potassium Chloride ~ Bright Red/Pink with a slight yellow flame in the middle

   

Above - Strontium Chloride ~ Bright yellow flame with a strong red outline

Was this an accurate representation of the science behind the colour of stars and planets?

I believe this was an inaccurate representation, I say this because we hadn't changed the type of the flame which then shows how each metal chloride reacted differently with the same temperature. This limits us when we want to compare our findings to actual stars and planets, when we know the colour is determined by the temperature of the planet or star.

Although we didn't change the temperature, each substance could represent matter from different stars/planets and this has allowed us to discover and compare these substances. By knowing the colour of flames as a result of burning these substances, we can compare these to as if they were a star due to the colour that was produced. By comparing these to a star, we are able to explore different colours produced by burning these substances and give them a temperature range based on their colour.

HOWEVER as we stated before we didn't actually change the temperature of the flame which then makes me wonder why these metal chlorides have different colour flames when being heated at the same temperature; e.g. strontium chloride being red/yellow and copper chloride being green/blue.

So what causes these metals salts to burn different colours? What could this mean in comparison to stars and planets? Is it just the temperature that affects the colour if so what else contributes? - These are my next questions

Metal Chloride Bunsen Brenner Experiment.

To day we conducted an experiment to model the colour of planets and/or stars. The experiment involved burning various metal chlorides e.g copper chloride, magnesium chloride, e.t.c, what examining what colours they made.

Although the flames colour we were examining was determined by the metal in the molecules of the metal chloride being burn't. While the colour of stars are determined not by what their made of, but by their temperature. their for this experiment was not a accurate representation for the colour of stars.

Also since matter has different colours in different states of matter, this also will not represent planets unless they are really hot and are on fire.

Metal Chloride Experiment Assesment

 Metal Chloride Experiment Assessment

Today we conducted an experiment in which we burnt different Metal Chlorides in order to see the differences between their reactions. We did this by taking different chlorides, applying them to a metal rod, and holding them above the flame from a Bunsen burner. The chlorides we used were Potassium, Sodium, Strontium, and Copper Chlorides. They all reacted to the open flame very differently, as shown below:

Copper: Green and blue with lots of sparks

Potassium: Orange with strange crackling noises

Strontium: Red and green colour, no added attributes

Sodium: Orange and green, with popping noises

As you can see, there is a large difference between the chemical reactions that each Chloride produced. This is caused by atoms splitting through the material, causing the atoms to become excited with thermal energy. They then give off different colours, depending on the material used. This can be related to many different things in astrology, such as the colours of the gasses around the atmospheres, shades of the soil on planets, or even the colours of the stars in the sky. This last one seems the most comparable, due to the nature of the experiment being based around flame. The question remains, however, is this genuinely comparable? The answer is fairly simple, based around the fact that while coloured flame is made from Metal Chlorides and other materials, while a stars colour simply comes from the heat at which it burns, with red being relatively cool (For a gigantic floating super furnace), and blue being very, very hot.

But then, could we compare this experiment to the colour of the planets? In some ways, yes. All planets are composed of different matters and materials, with Venus taking its colours from the vaporous gasses in its atmosphere, or Mars, "The Red Planet" with its rust coated surface. However, this is not a fair comparison in both ways, because without the flame, there would be no reaction, thus, a planet is not a fair comparison. 

In conclusion, this experiment was NOT comparable to colours in starlight. If the experiment were heat affecting the colour of flame, then yes, possibly, however, in this instance, we cannot derive a fair judgement from this test.

The expreriment

The experiment we did in class was a success even though we only tested 3/7 copper, sodium, and another one that is really confusing and I'm not gonna say it because I can't spell it. The first element we tested was copper Then sodium and the one which I cant spell and all of them turned into different colours.

The first thing we did was turn on the bunsonburner  and put the first element on which was copper and turned blue and started to sparkle. So no I don't think that planets turn a colour because I have never seen
a sparkly planet in my life even though the other two turned different colours and didn't sparkle. But still shows why isn't their any planets that are sparkly?

According to the BBC two suns turn different colours because of how hot they are and I think that's true but planets? Descorery news says we don't see the colour in the planets because of how far the planets are and we can only see 400-700 nm. Did you know that Venus is actually a hole bunch of different colours. The real colours of Venus are hidden because of its atmosphere is brown and is the same with any other planet.

That means that planets are different colours and  to what you see in Google images are just the atmosphere and that the experiment was  not a total fail and could be possible.






by nic

Scientific

What we did today in the science lab, was burning different types of chloride such as, Copper, Magnesium, Lithium, etc. https://drive.google.com/openid=0B5QU_TzFpK8UcGlGZHFQUWM2dFk This is a video of Cavan and I burning one of the cholrides. https://drive.google.com/open?id=0B5QU_TzFpK8URGZvZEhXaFN4b2s This is a photo of Cavan and I burning magnesium with it different colours you could see such as blue the main colour, orange, red, and some green. This is a good representation of stars because of the colours representing heat.

My Experiment Reflection

Today in Aliens instead of going into golf as usual we were sent down to the science labs to do a few science tests.
After we were instructed of what to do we got set up with the bunsen burner and started, We were given several small white containers containing different chemicals, they were all a powdery texture and white except for one which was green.
We put a little bit of the powder on a flat piece of metal and place it over a controlled flame. Once the chemicals caught fire all of them changed the colour of the flame. There were many different results, Some went a dark red and some blue, The green powder made the flame go green and one even changed colour the longer it burnt.


When we look up to the sky at night we see thousands of stars, There are about 5,000 stars visible from earth and every single one of them look white, But there not. Stars can be an array of different colours from red to blue, We just can't see this because our eyes have two Light-sensitive organs located at the backs of our eyes: Rod-shaped and Cone-shaped. Both Rods and Cones are sensitive to light the difference between them is that the rods allow us to see in very dim light but don't permit detection of colour while the cones et us see colour but don't work in dim light, . Therefor since the stars colours are already very faint even in good light all our eyes see is the brightness of the stars.

After the test we did i wondered if the colour of the stars may be because of the different chemicals they are burning on.
Although the experiment we did was interesting it did not show an accurate representation of the science behind the colours of stars.
Unlike the chemicals we used today in our experiment, Stars colours are actually made by the level of heat they create. Red being the coldest at 2,000-3,000 k, and dark blue being the hottest at 20,000-30,000 k. maybe it would have been closer to accurate if we changed the strength of the flame to see if that had any effect on the chemicals.

Today we got to burn a range of metal chlorides. So the first thing we had to do is put on our safety glasses and listing to the teacher so we know how to set it up, and when we got the gas running she would come around and lit it on fire and there was two holes and when you started it had to be closed and when it was on fire you opened it so

Cavan's Reflection

In the experiment we carried out today we burnt different metal chlorides to see the colour they burn. This is relevant to our topic Aliens because of the colours that stars burn at different heats.

The experiment we did is not scientifically relatable. This is because we where burning different chlorides under a controlled heat flame that the temperature is always the same apposed to stars that burn different colours due to different temperatures, not what they are burning. 

Maariyah's Reflection

In the science lab today, we were burning Metal Chlorides. One of the chlorides we burned was the Copper Chloride. One of the main things I noticed during this experiment was the color of the flames. With the Copper Chloride, different shades of blue and green appeared.

I believe our experiment was a not quite accurate representation of the colors of the stars. This is because, the colors of stars are made depending its heat. For example, hot stars are blue, medium hot stars are white, and cooler stars are red. Whereas the Copper Chloride was the color green-ish blue. If that was a star it would be quite hot, but every chloride we burned was all at the same temperature, but all the different chlorides we burned, were different colors. 

In conclusion we can say that, our experiment wasn't accurate because stars have certain colors because of different temperatures, whereas our experiment had different colors but all in the same temperature.  

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Adrian's experiment evaluation

Today we used the Bunsen burners in Delta to conduct and experiment where we burned different metal chlorides. I burned sodium chloride and magnesium, when I burned the sodium chloride it burned an orange flame and when I burned the magnesium chloride it fizzled and expanded to look like a marshmallow.

I think the experiment was not accurate representation of star colors because the star color depends on the temperature that it is and our experiment did not include the temperature changing.

However I think that with planets our experiment was an accurate representation because different planets are made of different metals, for instance mars is made of oxidized iron (aka rusty iron), making it a reddish brown color.

So to conclude I think that our experiment is an accurate representation for planets, but not stars.

Star Experiment

Colourful Fire

Today we went to the lab to test how different chlorides reacted to fire and what colours they created. We did this by lighting a bunsen burner and using a metal spatula to hold different chlorides over top.
What we did was scoop a pinch of chloride on a little metal spatula, some of the ingredients we used were potassium chloride, copper chloride, magnesium chloride and a few more. After that we held the spatula over the flame and observed what colour the flame turned. We then recorded the results into a Google document. I think it's a good representation of what gives stars their colour because of all the chemicals burning in it cause different reactions.

IXL Website - Maths Exercise

We are using IXL for practising Maths this year. You should have got the email with your login and password by now. If you don't please let Su Min knows. You can always access to the questions sets of different topics and levels. Please click the following link to go to the main page.

IXL Website

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