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States of Matter Worksheet

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States of Matter Worksheet

States of matter illustration showing solid, liquid and gas

📚 Part 1: Multiple Choice

1. Which property best describes a solid?

Takes the shape of its container

Keeps its own shape

Spreads out to fill all available space

Always flows downward

2. In which state of matter are particles packed closest together?

Solid

Liquid

Gas

All states have particles equally spaced

3. What happens when you open a bottle of perfume in a room?

The perfume stays in the bottle

The perfume gas spreads throughout the room

The perfume turns into a solid

The perfume only moves downward

4. Which of these are examples of liquids? (Tick all that apply)

Milk

Ice cube

Orange juice

Steam from a kettle

Cooking oil

🔬 Part 2: Classification and Evidence

5. Classify each item as a solid (S), liquid (L), or gas (G). Write the letter in the box.

Water in a glass: ____ Ice cream: ____ Air in a balloon: ____

Wooden pencil: ____ Honey: ____ Helium in a balloon: ____

6. Complete this sentence using the words from the word bank:

Word bank: close together, far apart, move past each other

In a solid, particles are ________________. In a liquid, particles can ________________. In a gas, particles are ________________.

7. Explain why gases spread out to fill a room. Use the word "particles" in your answer.
8. Predict what will happen in each situation and explain why:

a) You pour water from a tall, thin bottle into a wide, shallow bowl.

b) You leave an ice cube on a warm plate for 10 minutes.

✏️ Part 3: Scientific Explanation

9. Draw and label the particle arrangement for each state of matter:
10. Complete this claim-evidence-reason statement:

I think chocolate is a _______ because I observed that it _________________, which suggests that _________________.

11. Which state of matter would fill a room the fastest? Circle your answer and explain why using particle language.

Solid Liquid Gas

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