Module · Grade 2 · Science

Heating and Cooling

Some changes are reversible and some are not.

Grade: Grade 2
Subject: Science
Course: Elementary Science
Strand: Physical Science
Standards: 2-PS1-3 2-PS1-4
NGSS

Tools

1 ready to use.

Melt or Not?

Warm it, cool it, squish it. The class predicts whether each change can go back, then tries to undo it: ice, chocolate, toast, eggs, popcorn and more.

Science Grade 2 Sort

Word Wall

6 words in English and Spanish: heat, cool, melt, freeze, reversible, irreversible. Print them as wall cards, mini cards or a student glossary.

Print the words

Lesson plans

One class period each, built around a tool. Print them, change them, share them.

Melt or Not?40 minutes · I can tell if a change from heating or cooling can go back, and use what I saw as my evidence.