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Lesson 72 of 84 ยท Matter
LessonFreezing and Melting (Part 3)
What You'll Learn
Some changes can be reversed (melting ice) and some cannot (baking a cake).
Key Words
- cool
- mixture
- material
Steps
Step 1 โ Read
Look at the new words. Can you say each one?
Step 2 โ Do
Put an ice cube on a plate and watch it for 10 minutes. Draw what it looks like every 2 minutes.
Step 3 โ Observe
Use your senses to describe what you notice.
Step 4 โ Record
Write 1-2 sentences about what happened.
Check Your Understanding
Question 1
1 of 3What happens when you mix baking soda and vinegar?
