Force & Motion Vocabulary
Use technical vocabulary for force and motion — balanced forces, unbalanced forces, resultant force, acceleration, deceleration, speed, moment, lever, fulcrum, mechanical advantage — and apply these when explaining and predicting how forces affect the motion and position of objects
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“Can your child explain why a seesaw stays level when two people of different weights sit at different distances — using words like 'balanced forces' or 'moment'?”
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- Activity. Use technical vocabulary for force and motion — balanced forces, unbalanced forces, resultant force, acceleration, deceleration, speed, moment, lever, fulcrum, mechanical advantage — and apply these when explaining and predicting how forces affect the motion and position of objects
What to notice. Distinguish between balanced and unbalanced forces and describe the effect of each on an object's motion • Use 'resultant force' correctly when describing the net effect of two or more forces acting on an object • Apply 'moment', 'lever', and 'fulcrum' correctly when describing how simple machines work
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Can your child explain why a seesaw stays level when two people of different weights sit at different distances — using words like 'balanced forces' or 'moment'?
Use technical vocabulary for force and motion — balanced forces, unbalanced forces, resultant force, acceleration, deceleration, speed, moment, lever, fulcrum, mechanical advantage — and apply these when explaining and predicting how forces affect the motion and position of objects
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Check understanding
- Distinguish between balanced and unbalanced forces and describe the effect of each on an object's motion
- Use 'resultant force' correctly when describing the net effect of two or more forces acting on an object
- Apply 'moment', 'lever', and 'fulcrum' correctly when describing how simple machines work
“Can your child explain why a seesaw stays level when two people of different weights sit at different distances — using words like 'balanced forces' or 'moment'?”
Curriculum record
- Type
- Language
- Subject
- Science
- Domain
- Forces & Motion
- Age range
- Ages 9–11