Science

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UNDERSTANDINGS Materials have physical and chemical properties

Changes can occur when materials are mixed

Materials can be grouped based on chemical and physical properties

Science is a way of explaining the world

Room 3 have been wondering why salt and ice are often used together to make cold/frozen foods. We made slushies, using a slushy machine to see what salt does when added to ice. Everyone went away to investigate the science behind our slushies. The salt makes the ice melt slower - Xavier

Adding the salt makes the ice melt at a lower temperature - Abbey

Water is made up of the three states of matter - Franzine

The water turns to ice at 0 degrees Celsius. The salt makes it go 6 degrees lower than 0 - Reegan

When gases have cooled down, the particles slow back down and condense into liquids. You can see this happen on cold days, on the windows - Lucy

Condensation is when vapour is over a cold surface and turns into water droplets - Sanae

The air inside the slush machine was very cold and made the lemonade frozen - Danrey

Room 3 tried out the experiment below, but with a twist :) _ Here's our experiment: media type="youtube" key="Hr6dZ6aWpF4" height="232" width="408" align="left" media type="youtube" key="F_hqIlCR4QQ" height="237" width="407" align="left"

These were the materials we used:



And this is how our milk looked //after// the experiment 



This is what the water looked like -->



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Room 3 have had lots of discussion around oobleck and whether it is a liquid or a solid. So Miss Quinlan put the question to them: <span style="color: #00ff00; display: block; font-family: 'Comic Sans MS',cursive; font-size: 130%; text-align: center;">Is oobleck a solid or a liquid?

<span style="display: block; font-family: 'Comic Sans MS',cursive; font-size: 130%; text-align: center;">Here's what they found out: <span style="display: block; font-family: 'Comic Sans MS',cursive; font-size: 130%; text-align: center;">//These people think it is a solid:// <span style="display: block; font-family: 'Comic Sans MS',cursive; font-size: 130%; text-align: center;">Sanae, Abbey, Simona, Reegan and Kate

<span style="color: #ff0000; display: block; font-family: 'Comic Sans MS',cursive; font-size: 130%; text-align: center;">It is a solid, because if it wasn't a solid, then it wouldn't be solid right now - Reegan

<span style="color: #ff0000; display: block; font-family: 'Comic Sans MS',cursive; font-size: 130%; text-align: center;">Because, once you move on it, it stays, but if you don't, you go through it - Kate

<span style="color: #ff0000; display: block; font-family: 'Comic Sans MS',cursive; font-size: 130%; text-align: center;">Because when you stop playing with it, it turns into a solid - Abbey

<span style="display: block; font-family: 'Comic Sans MS',cursive; font-size: 130%; text-align: center;">//These people think it is a liquid//: <span style="display: block; font-family: 'Comic Sans MS',cursive; font-size: 130%; text-align: center;">Krisley, Franzine, Caleb, Jack, Danrey, Xavier, <span style="display: block; font-family: 'Comic Sans MS',cursive; font-size: 130%; text-align: center;">Andrei, Angelo, Jerwin, Lucy and Vanessa

<span style="color: #4cc711; display: block; font-family: 'Comic Sans MS',cursive; font-size: 130%; text-align: center;">I think it's a liquid, because when you put pressure on it, that's when it turns hard. If you stop on the spot, you'll sink in because there is no pressure anywhere else - Caleb

<span style="color: #4cc711; display: block; font-family: 'Comic Sans MS',cursive; font-size: 130%; text-align: center;">I think it's a liquid, because it's called a non-Newtonian liquid - Lucy

<span style="color: #4cc711; display: block; font-family: 'Comic Sans MS',cursive; font-size: 130%; text-align: center;">Because if you don't do anything with it, it's more of a liquid form - Xavier

<span style="color: #4cc711; display: block; font-family: 'Comic Sans MS',cursive; font-size: 130%; text-align: center;">I think it's a liquid, because it combines with water. When you add corn flour it makes it solid, but the water is the made part - Danrey

<span style="background-color: #0000ff; color: #ffff00; display: block; font-family: 'Comic Sans MS',cursive; font-size: 160%; text-align: center;">Oobleck is a non-Newtonian fluid, making it a liquid!





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