
Simple Machines and Mechanisms
Authored by Yvette Hall
Computers
8th Grade
Used 4+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a lever in a LEGO simple machine?
To increase the speed of an object
To hold pieces together
To change the direction of a force
To reduce friction between moving parts
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which LEGO piece is commonly used as an axle in simple machine builds?
A flat plate
A long, thin rod
A small, round gear
A large, square block
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What advantage does a pulley system offer in constructions?
It can change the color of the LEGO construction
It increases the weight of the construction
It allows for the lifting of heavy objects with less effort
It makes the construction waterproof
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of LEGO simple machines, what is the primary function of wheels?
To decorate the machine
To increase friction
To reduce friction and allow movement
To connect different parts of the machine
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do axles and wheels work together in a LEGO mechanism?
The axle supports the structure, while wheels add weight
Axles rotate the wheels to facilitate movement
Wheels power the axle for increased speed
Axles and wheels are purely decorative
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a simple machine?
A complex robotic system
A device that uses electricity to function
A tool that changes the direction or magnitude of a force
A machine that can only perform one task
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a characteristic of a lever?
It has a fulcrum
It always reduces the amount of effort needed
It can change the direction of a force
It can be made from various materials
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