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Builder's Lab / Week 10 / Tuesday
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Week 10 · Keep It Cold

Tuesday

Heat on the move
// A holder that keeps an ice cube from melting
⏱ about 20 min

Tuesday: Heat on the Move

Raven holds an ice cube in a spoon. Drip, drip.

"Why does ice melt?" she asks.

Rocket guesses. "The room is warmer than the ice?"

Nova glows. "Great thinking! Heat is on the move. What do you notice?"

Warm to cold

Heat moves from warm things to cooler things.

The room is warmer than the ice cube.

So heat moves from the room into the ice.

The heat melts the ice into water.

Slow the heat

An insulator is a material that slows heat down.

People use insulation in buildings and clothes.

A good ice holder slows heat from reaching the ice.

HEAT CHECK
  • Read the question.
  • Tap your answer.
Which way does heat move?
What does an insulator do?
IdeaTrue or false?
Heat from the room melts the ice.?
The ice is warmer than the room.?
Insulation is used in buildings and clothes.?
WHY THIS EXERCISETo keep ice cold, we need to slow the heat coming in.
Think about it
Which of our materials might slow heat?
Napkins? Foil? An old sock? Cardboard?

Heat moves in many places

  • A cold drink on a warm day gets warmer.
  • A snowman melts when the air warms up.
  • In each one, heat moves from warm to cold.
FOLLOW THE HEAT
  • Read the question.
  • Tap your answer.
A cold drink sits in a warm room. Where does heat move?
Why did Raven's ice cube drip?
What does melt mean?
Where do people use insulation?
AN ICE CUBE MELTS
  • Tap a card.
  • Then tap its spot.
1First
2Next
3Then
4Last
Try it
A grown-up puts one ice cube on a plate.
Look at it every 5 minutes.
Tell what you notice each time.
Safety first
A grown-up handles the ice.
Ice is never tasted.
Wipe up drips.
IdeaTrue or false?
A snowman melts as the air warms up.?
Cold moves into the ice from the room.?
An insulator slows heat down.?
WHY THIS EXERCISEKnowing where heat comes from helps us block it.
Draw an ice cube in a warm room. Show arrows for the heat.

You know how heat moves!

Tomorrow, we build holder version 1.

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