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Magnets And Simple Machines
Test Description: Lesson 13-14
Instructions: Answer all questions to get your test result.
1) What do you call any object that attracts and repels certain metals?
A
Wedge
B
Compass
C
Screw
D
Magnet
2) What do you call the force around an object produced by a magnet?
A
Machine
B
Pulley
C
Magnet
D
Magnetic field
3) What are the 2 opposite ends of a magnet called?
A
Repel and attract
B
Top and bottom
C
North and south poles
D
Front and back
4) What is a device people use to find their way when traveling?
A
Gear
B
Belt
C
Compass
D
Lever
5) What is any device that changes the amount of force you have to use to get something done called?
A
Magnetic field
B
Magnet
C
Compass
D
machine
6) What is it called when there is a combination of different simple machines working together?
A
Pulley system
B
Simple machine
C
Drive belt
D
Compound machine
7) A flat surface whose ends are at different heights is known as an
A
Screw
B
Gear
C
Lever
D
Inclined plane
8) Which of these is an example of an inclined plane?
A
See saw
B
Wheelchair ramp
C
A car steering wheel
D
Conveyor belt
9) An inclined plane wrapped around a cylinder or cone is called a
A
Belt
B
Wedge
C
Screw
D
Gear
10) This simple machine is used to push things apart.
A
Lever
B
Pulley
C
Axel
D
Wedge
11) This simple machine is a bar that goes up and down over a point.
A
Lever
B
Axel
C
Screw
D
Wedge
12) An example of a lever is
A
See saw
B
Bicycle wheel
C
Screw
D
Wheelchair ramp
13) This simple machine lets you pull down a rope, chain or wire to lift something.
A
Conveyor belt
B
Pulley
C
Drive belt
D
Gear
14) A rigid bar that’s inserted through a hole in a wheel is called an
A
Belt
B
Pulley
C
Axle
D
Gear
15) This circular band made of rubber is known as a
A
Screw
B
Belt
C
Lever
D
Wedge
16) _______________ is a belt used to turn more than one wheel
A
Lever
B
Drive belt
C
Axel
D
Gear
17) Where might you find a drive belt?
A
Pulling up a bucket in your treehouse
B
On a pickle jar
C
In a car
D
Around your waist
18) A ____________ is a machine consisting of one or more pulleys and a wide flat belt.
A
Conveyor belt
B
Axle
C
Compass
D
Machine
19) This is a wheel that has teeth along its edge.
A
Pulley
B
Gear
C
Belt
D
Axel
20) Where might you find a gear?
A
On a see saw
B
On your bike
C
On a wheelchair ramp
D
In the oven
*select an answer for all questions
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