Use a Particle Model With Care
Compare simplified particle arrangements and distinguish a model from actual particle size. A complete set with exploration, practice and application. Use the linked unit for the learning sequence and teaching guide.
Continue this learning sequence
Unit goals and teaching guide →Independent activity · About 25 minutes · Pencil
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Page layout
0 practice pages · 0 answer pages. Pages are added automatically when needed. Question content and answer keys stay together.
About this practice
Grade 7 · science · Matching answer key included · US Letter and A4
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Teaching guide, sample answers and curriculum references
Before you begin
Review the key words and representations in Use a Particle Model With Care. Use the Explore activity to check readiness before removing support.
How to use this worksheet
- Begin with: Which model allows nearby particles to move past each other?
- Connect the response to: Explain why a gas occupies available container space.
- Ask students to apply the idea: Sketch particle models for solid, liquid and gas.
A common mistake to discuss
Accepting an answer without checking whether it uses the material and satisfies the requested relationship or criteria.
What to practice next
Continue to Use a Particle Model With Care: Apply and Create.
Original instructional material written for this practice.
Published 2026-10-04; updated 2026-10-04. Original MakeWorksheet practice. Automated consistency checks support publication; independent subject-specialist review is not recorded. Read our editorial policy.
Continue practicing
Practice previewUse a Particle Model With Care: Apply and Create
Apply · Independent · 15 min
Compare simplified particle arrangements and distinguish a model from actual particle size. A focused apply activity. Use the linked unit for the learning sequence and teaching guide.
Practice previewUse a Particle Model With Care: Explore and Explain
Explore · Independent · 10 min
Compare simplified particle arrangements and distinguish a model from actual particle size. A focused learn activity. Use the linked unit for the learning sequence and teaching guide.
Practice previewUse a Particle Model With Care: Practice Independently
Practice · Independent · 10 min
Compare simplified particle arrangements and distinguish a model from actual particle size. A focused practice activity. Use the linked unit for the learning sequence and teaching guide.
Practice previewInterpret Net Force and Acceleration: Apply and Create
Apply · Independent · 15 min
Use F = ma in a simple constant-mass model. A focused apply activity. Use the linked unit for the learning sequence and teaching guide.