States of Matter: Liquids and Flow (Part 3)

What You'll Learn

Matter is made of tiny particles that are always in motion. In solids, particles vibrate in place; in liquids, they slide past each other; in gases, they move freely.

Key Words

molecule
atom
element

Materials Needed

measuring cups
paper towels
thermometer
strainer
ice cubes
salt

Safety First

Be careful with scissors — ask an adult for help if needed.
Do not look directly at the sun or bright lights.

Steps

Step 1 — Read

Look at the vocabulary words and write a definition for each in your own words.

Step 2 — Do

Separate a mixture of sand, salt, and iron filings using a magnet, water, and a filter. Record each step and what you separated.

Step 3 — Observe

Watch carefully for any changes and note the time.

Step 4 — Record

Create a data table to organize your measurements.

Check Your Understanding

Question 1

1 of 3

Which state of matter has a definite shape and volume?