Mass and Volume

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

freezing point
gas

Steps

Step 1 — Read

Review the background information on Matter 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 3

What holds atoms together in a molecule?