Physical Science · Changes in Matter
Heating & Cooling: Changes We Can Reverse
Observe changes caused by heating and cooling, then use evidence to decide whether each change can be reversed.
Lesson plan
Heating & Cooling: Changes We Can Reverse
A step-by-step guide to help you teach this lesson.
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Lesson overview
What students will learn
- Describe observable changes caused by heating or cooling.
- Construct an evidence-based argument that some heating or cooling changes can be reversed and some cannot.
Key science ideas
- Heating or cooling can cause changes we can observe.
- Ice can melt to liquid water, and liquid water can freeze back into ice.
- Some changes can be reversed, but some cannot.
Lesson at a glance
- Grade 2
- 40 min
- ~8 min prep
- 2-PS1-4
- 5 materials
What’s included
- Lesson Plan
- Investigation
- Teacher Slides
- Printable Worksheet
- Teacher Answer Key
- Interactive Activity
- Vocabulary