Vocabulary
Simple Machine
Compound Machine
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100

What is a fulcrum? Which simple machine does it belong to?

It is the fixed point on a lever. It belong to a lever.

100

Rakes and brooms are a type of this simple machine. Explain you answer.

They are considered a lever. Your hands are the fulcrum and when you move the broom, the leaves and dirt move further than your hands. This makes your job easier.
100

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

lever, wheel and axle (pulley)

100

If you go to a park, tell me where can you find an inclined plane?

The slide

100

________ is the use of force, and simple machines are what makes it easier

Work

200

What is something that makes work easier?

Simple machine

200

How can an inclined plane make work easier?

With an inclined place, it is easier to lift a load. Instead of lifting the load straight up, you push or pull it up or down the inclined plane.
200

Give an example of a compound machine composed of a lever and a wedge

Scissor

200

Tell me what are the six simple machines?

wedge 

lever

wheel and axle 

inclined plane 

pulley 

screw

200

Why do simple machines make your work easier?

Because you are applying less force, but you are still doing the same amount of work.

300

Which two simple machines use a circular motion to function?

Wheel and axle and the screw

300

A screw is a simple machine. A screw is an _____________ wrapped around a cylinder. 

inclined plane

300

What simple machines make up a can opener?

Lever, wheel and axle, and wedge

300

Tell me the similarities and differences between a screw and a wedge

They are both composed of an inclined plane. A wedge is used to split things, but a screw is used to insert or secure things.

300

Wheel and axle make it easier for you to __________ and __________. 

Move things and lift things

400

A wedge is two _____________ placed back to back.

Inclined planes

400
Which is an example of someone using a simple machine to do work?


a. a boy runs across a football field
b. a banker counts money
c. a mother pushes a stroller up a ramp into a building
d. a girl eats a sandwich


 c. a mother pushes a stroller up a ramp into a building

400

Why is a shovel a compound machine?

Because it is composed of a wedge and a lever.

400
Tell me an example of a compound machine with a lever

Shovel, hatchet, wheelbarrow, etc

400

I can lift 15 pounds with a pulley. When my brother tried to help me, he lifted 10 more pounds. Then my friend came to help me too. He could lift 5 more pounds. How many pounds could we lift in total>

30 pounds

500

This simple machine helps you get something too far down to reach or too high up to reach

Pulley

500

Thomas is using a screwdriver to pry open a paint can.  The screwdriver is being used as...

a. wheel and axle

b. pulley

c. lever

d. fulcrum 

Lever

500

A wheelbarrow is made of which 3 simple machines?

Wheel and axle, lever, and inclined plane. 

500

A screw has two functions, one to make a hole, one to secure things. Give me an example of how it secures things. 

Water bottle cap, jar cap, etc. 

500

When you use a fishing rod, what is your fulcrum? Why? 

Your hand holding the bottom part, because it secures the whole rod. 

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