Wet, Dry and Melting

Explore what happens when paper, sponge or cloth get wet by dipping them in water trays. Watch ice melt into water in a warm room and notice that things can change when they get wet or warm.

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1 Getting Started
2 Wet and Dry
3 Wetting Stations
4 What Changed?
5 Ice Melts
6 Make-sense Talk
7 Tidy

Your turn

Your teacher is running this lesson on the board. Here is the part you can try yourself.

Ste exploration

Observation

1 - Getting Started ~3 mins

Dry sponge beside soaked dripping sponge, the puzzle that opens the lesson Look at these two sponges. One feels light. One feels heavy and drippy. What do you think happened to the drippy one?

👇 Mark your steps as done as you complete them.

+5 XP

2 - Wet and Dry ~3 mins

The three dry materials the class will feel before wetting them Today we will feel things that are dry — no water on them. Then we will make them wet. What do you think will change?

👇 Mark your steps as done as you complete them.

+10 XP

3 - Wetting Stations ~10 mins

Wetting station apparatus: the tray and the three materials being dipped The same three materials after dipping, darker, limp and dripping When it is your group’s turn at the water tray, feel the paper, sponge and cloth while they are dry. Then dip each one. What changes? How does it look and feel now?

+15 XP

4 - What Changed? ~4 mins

Come back to the carpet. Hold up something you made wet. Tell us one thing that changed.

+15 XP

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