Heat & Materials

Heat & Materials

Question

How will a small amount of heat change the properties of some materials like ice?

Watch this video ,then

let’s make an experiment to find out

describe what you can see

Multiple Select

What will happen to a block of ice if it is left in the sun's heat ?

Make a prediction here:

• The ice will melt.

• Change from solid to liquid

• burn

• No change. The ice cube will stay solid.

• the shape will change. The temperature will change from cold to warm.

Multiple Choice

What will happen if you freeze the ice ? Discuss .

• It will stay the same.

• It will turn into gas( air )

• It will turn into a solid again.

Open Ended

What will happen to a candle if you lit it ?

How can you use heat to make a new candle?

Watch this video to find out more.

Multiple Select

How can heat be used to make a new candle.Check the boxes that are correct.

• You freeze the wax. Then you pour the frozen solid wax into a cup.

• You heat up the old wax.

• When the wax is hot ,it will turn into a liquid.

Do you think heat can change the properties of these coins?

You can use heat to melt things

Look at these coins. They are solid.

Can heat change the properties of this material?

Let's watch this video to find out !

Changes to matter( like water).Changes to materials( like coins and wax).

Heat is only one way you can change properties of materials.