Take a look around your kitchen, garage, or playground and you'll find simple machines everywhere. This set has third graders correcting sentences about wheelbarrows, jar lids, and fishing poles, then filling in blanks about flagpole pulleys, shovel wedges, and skateboard ramps as inclined planes. A short true-or-false section checks ideas about faucet handles and screw threads.
You'll come away knowing how to match real tools to the right simple machine and explain the trade-off between force and distance.
Style:
Simple Machines
Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1. Fix the sentence:
A wheelbarrow uses an inclined plane to carry heavy loads.
Rewrite: A wheelbarrow uses a lever and a wheel and axle to carry heavy loads.
2. Fix the sentence:
A jar lid opens by using a wedge.
Rewrite: A jar lid opens by using a screw.
3. Fix the sentence:
A fishing pole is an example of a pulley.
Rewrite: A fishing pole is an example of a lever.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. A pulley is used on a flagpole to raise and lower the flag with a rope.
2. When you use a simple machine, you trade less force for more distance.
3. A shovel works as a wedge when you push it into the ground to dig.
4. A skateboard ramp is an inclined plane that helps riders gain height.
Part C: True or False?
Read each statement. Circle True or False.
1. A faucet handle is a type of wheel and axle.
True False
2. Simple machines create extra energy to do work.
True False
3. A screw has threads that act like a tiny inclined plane.
True False
Simple Machines
★ Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1) Fix the sentence:
A wheelbarrow uses an inclined plane to carry heavy loads.
Rewrite: A wheelbarrow uses a lever and a wheel and axle to carry heavy loads.
2) Fix the sentence:
A jar lid opens by using a wedge.
Rewrite: A jar lid opens by using a screw.
3) Fix the sentence:
A fishing pole is an example of a pulley.
Rewrite: A fishing pole is an example of a lever.
★ Part B: Fill in the Blank
Write the missing word or number on each line.
1) A pulley is used on a flagpole to raise and lower the flag with a rope.
2) When you use a simple machine, you trade less force for more distance.
3) A shovel works as a wedge when you push it into the ground to dig.
4) A skateboard ramp is an inclined plane that helps riders gain height.
★ Part C: True or False?
Read each statement. Circle True or False.
1) A faucet handle is a type of wheel and axle.
True
False
2) Simple machines create extra energy to do work.
True
False
3) A screw has threads that act like a tiny inclined plane.
True
False
Ready to Practice?
Complete each section carefully.
10 Questions
15-20 minutes
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