🔬 Part 1: Understanding States of Matter

1. Which of the following best describes particles in a solid?

Particles are far apart and move freely

Particles are close together but can move around each other

Particles are tightly packed and only vibrate in place

Particles do not move at all

2. What happens to water particles when ice melts?

They become smaller

They gain energy and move more freely

They lose energy and move less

They change into different particles

3. Which of these are examples of gases? (Select all that apply)

Steam from a kettle

Ice cubes

Air in a balloon

Milk in a glass

Oxygen we breathe

4. Fill in the blanks:

When a liquid is heated, it can change into a _________ through a process called _________. When a gas is cooled, it can change into a _________ through a process called _________.

📝 Part 2: Observations and Explanations

5. During our ice melting experiment, describe what you observed happening to the ice cube. Use scientific vocabulary in your answer.

6. Explain why gases can fill any container they are placed in, but solids cannot.

7. Temperature affects how particles move. Complete this table:

State of Matter	Particle Arrangement	Particle Movement	Example
Solid	_________________	_________________	_________________
Liquid	_________________	_________________	_________________
Gas	_________________	_________________	_________________