64
Lesson 64 of 84 · Matter and Atoms
ExperimentMass and Volume (Part 2)
What You'll Learn
Distillation separates mixtures based on different boiling points. Heating salt water causes water to evaporate and condense, leaving salt behind and producing fresh water.
Key Words
- solubility
- concentration
Materials Needed
- plastic bottles
- balloons
- measuring cups
- paper towels
- thermometer
- strainer
Safety First
- Handle glass items carefully to avoid breakage.
- Do not mix unknown chemicals together.
- Tie back long hair before starting the experiment.
Steps
Step 1 — Read
Review the background information on Matter and Atoms before starting.
Step 2 — Do
Test 5 household liquids (vinegar, milk, lemon juice, baking soda water, soap) with pH paper. Classify each as acid, base, or neutral.
Step 3 — Observe
Observe what happens and describe it in detail.
Step 4 — Record
Record your observations in your science journal with measurements and descriptions.
Check Your Understanding
Question 1
1 of 3What holds atoms together in a molecule?