Separating Mixtures

What You'll Learn

Mixtures can be homogeneous (uniform, like salt water) or heterogeneous (non-uniform, like trail mix). Colloids like milk appear uniform but contain tiny suspended particles.

Key Words

volume
physical change
chemical change

Steps

Step 1 — Read

Read and learn: Mixtures can be homogeneous (uniform, like salt water) or heterogeneous (non-uniform, like trail mix). Colloids like milk appear uniform but contain tiny suspended particles.

Step 2 — Do

Create a labeled diagram of what you built or observed.

Step 3 — Observe

Note any unexpected results.

Step 4 — Record

Share your findings with the class or a partner.

Check Your Understanding

Question 1

1 of 3

Which method separates mixtures based on boiling points?