Density: Sink or Float?

What You'll Learn

Density is how much mass is packed into a given volume. Objects denser than water sink, while less dense objects float. Oil floats on water because it is less dense.

Key Words

solubility
concentration

Steps

Step 1 — Read

Read the introduction and identify the main idea of this lesson.

Step 2 — Do

Conduct a chromatography experiment: use a coffee filter and markers to separate the pigments in different colored inks.

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 is density?