Particle Model Critique and Evidence Worksheet
📝 Worksheet hard ⏱️ 22 minutes 10 problems
Particle Model Critique and Evidence Worksheet
Grade 6 Science LearnCrux.com
Name:
Date:
Directions
- Fill in each blank carefully.
- Circle or mark the best answer for each multiple-choice question.
- Match each prompt to the best option before writing your answer.
- Use the larger space to show your thinking on word problems.
1. A scientific drawing that helps explain invisible matter is a __.
2. Which particle model best matches a gas?
3. Match the evidence to the best particle explanation: smell spreads through a room
Match with:
Answer:
4. When a liquid is cooled enough to freeze, particle motion becomes __.
5. Why is a model with gas particles packed tightly a weak model?
6. Which statement best fits a mixture?
7. Match the state to the particle behavior: solid
Match with:
Answer:
8. Heating a pure substance changes particle __ and arrangement.
9. Why should students compare a particle model to evidence from the real world?
10. Which observation would best support the idea that adding thermal energy speeds up particles?
📋 Teacher Answer Key
1. model
2. particles far apart and moving freely
3. particles move and spread out
4. slower
5. It does not match the evidence that gases spread out and fill the available space
6. substances are together without all becoming one new substance
7. particles mainly vibrate in place
8. motion
9. A model is useful only when it helps explain what we observe about matter and state changes
10. ice melts into liquid water