Let's solve each sentence in the "Forces & Motion" worksheet using the provided word bank:
Word Bank:
- push
- pull
- gravity
- friction
- force
- inertia
- machine
- energy
- balance
- Newton
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1. The greater the ____________ the easier the object will move.
✔ Answer: *force*
Explanation: The greater the force applied to an object, the more it accelerates (assuming mass stays constant), making it easier to move.
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2. To do the job in less time and with less energy, use a ____________
✔ Answer: *machine*
Explanation: Machines help us do work more efficiently by reducing the amount of effort or energy needed, or by increasing speed.
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3. That rock will roll down the hill due to the force of ____________
✔ Answer: *gravity*
Explanation: Gravity is the force that pulls objects toward the Earth. It causes the rock to roll downhill.
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4. To make something ____________ both ends need to have the same weight.
✔ Answer: *balance*
Explanation: For something to be balanced (like a seesaw), the weights on both sides must be equal.
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5. It takes ____________ to get a job done.
✔ Answer: *energy*
Explanation: Energy is required to perform work or complete a task. Without energy, no motion or change can occur.
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6. ____________ is the idea that something in motion will remain in motion, and something at rest will remain at rest, unless affected by an outside source.
✔ Answer: *inertia*
Explanation: This describes Newton’s First Law of Motion — inertia is the tendency of an object to resist changes in its state of motion.
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7. It would be more difficult to ____________ a wagon if it didn't have wheels.
✔ Answer: *pull*
Explanation: Without wheels, you’d have to drag the wagon across the ground, which increases friction and makes pulling harder.
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8. If you have a few people ____________ on the rope, the box will be easier to move.
✔ Answer: *pull*
Explanation: Multiple people pulling together increase the total force applied, making it easier to move the box.
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9. ____________’s theories on motion are still believed correct today.
✔ Answer: *Newton*
Explanation: Sir Isaac Newton formulated the laws of motion, which are foundational in physics and still widely accepted today.
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10. We added wheels to our bureau to create less ____________ when we move it.
✔ Answer: *friction*
Explanation: Wheels reduce friction between the furniture and the floor, making it easier to move.
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✔ Final Answers:
1.
force
2.
machine
3.
gravity
4.
balance
5.
energy
6.
inertia
7.
pull
8.
pull
9.
Newton
10.
friction
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Parent Tip: Review the logic above to help your child master the concept of forces and motion activity sheet.
