70
Lesson 70 of 84 ยท Matter and Reactions
LessonBoiling Points and Melting Points (Part 2)
What You'll Learn
Matter exists in three common states: solid, liquid, and gas. Solids have a fixed shape and volume, liquids have a fixed volume but take the shape of their container, and gases fill any container.
Key Words
- solution
- chemical reaction
- reactant
Steps
Step 1 โ Read
Study the diagram and label the parts you recognize.
Step 2 โ Do
Create a density column: carefully layer honey, dish soap, water, vegetable oil, and rubbing alcohol in a tall glass. Drop small objects in to test where they float.
Step 3 โ Observe
Note any unexpected results and think about why they happened.
Step 4 โ Record
Share your findings with the class or a partner and discuss what you learned.
Check Your Understanding
Question 1
1 of 3What happens during evaporation?
