21
Lesson 21 of 84 · Sink and Float
LessonSquish and Stretch
What You'll Learn
When you mix baking soda and vinegar, it fizzes and bubbles! That is a reaction.
Key Words
- bubble
- pour
- sink
Steps
Step 1 — Read
Listen to the story about Sink and Float.
Step 2 — Do
Drop a rock and a feather into water. Which one sinks? Which one floats?
Step 3 — Observe
Look closely! What do you see?
Step 4 — Record
Draw a picture of what you learned today.
Check Your Understanding
Question 1
1 of 3Is water a liquid?