Wyoming
7. Physical Changes
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Melting, Freezing, and Evaporation: Explore Reversible Changes!
You will discover how water changes between solid, liquid, and gas and how these amazing changes can be reversed!
What You'll Learn
You can reverse melting and freezing by adding or removing heat.
You will learn that melting changes solids into liquid water forms.
You will see how evaporation turns liquid water into invisible gas.
You discover that water exists as solid, liquid, and gas states.
What You'll Practice
1
You will identify melting, freezing, and evaporation in real examples.
2
You will explain why these physical changes are called reversible changes.
3
You will match everyday events to the correct change of state.
Why This Matters
Understanding reversible changes like melting, freezing, and evaporation helps you explain everyday events in the world around you using real science.
This Unit Includes
1 Video lesson
Practice exercises
Learning resources
Skills
Melting
Freezing
Evaporation
States of Matter
Physical Changes
WY Curriculum Aligned