Machines

Machines

Multiple Choice

What is a machine?

• a device that has only one working motor

• a device that makes work easier

• a device that makes more work for a job

• device that is made up of two or more machines

Multiple Choice

All machines help make work _________.

• harder

• smaller

• lighter

• easier

Multiple Choice

A machine can change the amount of_______ needed to do work.

• gravity

• people

• force

• pulley

Multiple Choice

The unit of measure for work is_____________.

• meters

• joules

• newtons

• millibars

Multiple Choice

Work is done when .....

• a force is exerted on an object.

• an object exerts force onto another object.

• a force is exerted on an object causing the object to move.

• an object does not move.

Multiple Choice

Which is a characteristic of a simple machine?

• They run on electricity.
• They take a long time to make.
• They have few or no moving parts.
• They are not very large.

Multiple Choice

Which is an example of someone using a simple machine to do work?

• a boy runs across a football field
• a banker counts money
• a mother pushes a stroller up a ramp
• a girl eats a sandwich

Multiple Choice

What is this simple machine?

• Pulley

• Wheel and axle

• Lever

• Screw

Multiple Choice

What type of simple machine are these people using to move the wheel chair into the school bus?

• Lever

• Inclined plane

• Pulley

• Wedge

Multiple Choice

What type of simple machine would you find on the bottom of a car?

• Inclined Plane

• Pulley

• Wheel and Axle

• Wedge

Multiple Select

Lexie twists the cap off the bottle of juice. What type of simple machine is the cap?

• Wedge

• Screw

• Inclined plane

• Wheel and axle

Multiple Choice

What is this simple machine?

• Wedge

• Inclined plane

• Lever

• Screw

Multiple Choice

What is this simple machine

• Wedge

• Inclined plane

• Lever

• Screw

Multiple Choice

A _______ is a rope or chain wrapped around a wheel. 

• wedge 
• lever 
• pulley 
• screw

Multiple Choice

This device

• wedge
• lever
• incline plane
• wheel and axle

Multiple Choice

Stairs are a 

• wedge
• pulley
• inclined plane
• wheel and axle

Multiple Choice

A seesaw is an example of which machine?

• wedge
• lever 
• inclined plane 
• pulley 

Multiple Choice

The "fixed point" on which a lever rests and, or pivots is known as which of the following?

• screw
• wheel and axle
• see saw 
• fulcrum 

Multiple Choice

A simple machine that consists a rigid bar that pivot about a fixed point

• lever
• pulley
• wheel and axle
• fulcrum 

Multiple Choice

An inclined plane wrapped around a rod forms this simple machine 

• lever
• pulley
• screw
• wedge 

Multiple Choice

A flat sloping surface that connects lower and higher elevations. It makes raising objects easier.  

• wedge
• screw
• lever
• inclined plane 

Multiple Choice

Which type of simple machine would be found on the bottom of a wagon??

• a pulley
• a screw
• a wedge
• a wheel and axle

Multiple Select

Look at the given picture and label the parts as shown

• 1.load 2. fulcrum 3.effort

• 1.effort 2. load 3.fulcrum

• 1.fulcrum 2.load 3.effort

• 1.fulcrum 2.effort 3.load

Multiple Choice

Is this a simple machine or compound machine?

• Simple Machine
• Compound Machine

Multiple Choice

Bicycle is an example of another ________machine.

• simple

• compound

• binary

• none of these

Multiple Choice

A fishing pole is an example of a compound machine. What simple machines are used to make up this compound machine?

• lever, wheel and axle, pulley
• wheel and axle, inclined plane, pulley
• wheel and axle, pulley, inclined plane