Students identify simple machines in everyday tools and settings. Part A corrects three sentences about scissors, an axe, and a flagpole, each assigned to the wrong machine type. Part B has four fill-in-the-blank questions about inclined planes, wheel-and-axle components, and what a wedge does. Part C has three true-or-false statements about wheels and friction, wedge shape, and pulley direction.
Connecting machines to real tools makes the six types memorable and relevant to daily life.
Style:
Simple Machines
Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1. Fix the sentence:
Scissors are an example of a wheel and axle.
Rewrite: Scissors are an example of two levers.
2. Fix the sentence:
An axe is a type of pulley used to split wood.
Rewrite: An axe is a type of wedge used to split wood.
3. Fix the sentence:
A flagpole uses a lever to raise the flag.
Rewrite: A flagpole uses a pulley to raise the flag.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. A plane is a flat surface that is higher on one end, like a ramp.
2. A wheel and axle work together to make turning easier.
3. A wedge has a thin edge that is used to push things apart.
4. Simple machines help people do work using less effort.
Part C: True or False?
Read each statement. Circle True or False.
1. A wheel and axle help reduce friction when moving objects.
True False
2. A wedge is thick on both ends and thin in the middle.
True False
3. A pulley changes the direction of the force you apply.
True False
Simple Machines
★ Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1) Fix the sentence:
Scissors are an example of a wheel and axle.
Rewrite: Scissors are an example of two levers.
2) Fix the sentence:
An axe is a type of pulley used to split wood.
Rewrite: An axe is a type of wedge used to split wood.
3) Fix the sentence:
A flagpole uses a lever to raise the flag.
Rewrite: A flagpole uses a pulley to raise the flag.
★ Part B: Fill in the Blank
Write the missing word or number on each line.
1) A plane is a flat surface that is higher on one end, like a ramp.
2) A wheel and axle work together to make turning easier.
3) A wedge has a thin edge that is used to push things apart.
4) Simple machines help people do work using less effort.
★ Part C: True or False?
Read each statement. Circle True or False.
1) A wheel and axle help reduce friction when moving objects.
True
False
2) A wedge is thick on both ends and thin in the middle.
True
False
3) A pulley changes the direction of the force you apply.
True
False
Ready to Practice?
Complete each section carefully.
10 Questions
15-20 minutes
Auto-graded
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