Science: Simple Machines Worksheet

Question 1

A ramp helps move a heavy box into a truck. What simple machine is a ramp?

Accepted Answer

A ramp is an inclined plane. It helps lift heavy objects by moving them up over a longer distance.

Question 2

A playground seesaw is an example of which simple machine?

Accepted Answer

A seesaw is a lever. It moves up and down around a middle point called a fulcrum.

Question 3

A screw holds two pieces of wood together. What simple machine is a screw?

Accepted Answer

A screw is a simple machine called a screw. Its spiral shape helps it move into materials and hold things together.

Question 4

A flag is raised on a pole using a rope and wheel. What simple machine is being used?

Accepted Answer

A pulley is being used. A pulley helps lift or lower things with a rope moving over a wheel.

Question 5

A knife is used to cut an apple. What simple machine is the knife acting like?

Accepted Answer

The knife acts like a wedge. A wedge helps split or cut materials apart.

Question 6

A doorknob turns to open a door. Which simple machine does the doorknob act like?

Accepted Answer

A doorknob acts like a wheel and axle. The round knob turns the axle inside the door.

Question 7

Name the simple machine in a shovel when it is used to lift dirt.

Accepted Answer

A shovel can act like a lever when it is used to lift dirt. It helps move the dirt with less effort.

Question 8

What is the main job of a simple machine?

Accepted Answer

The main job of a simple machine is to make work easier. It can help people lift, move, or cut things.

Question 9

A slide at a park is similar to which simple machine?

Accepted Answer

A slide is similar to an inclined plane. It is a slanted surface that helps things move from high to low.

Question 10

A wheelbarrow has a wheel in front and handles in back. Name one simple machine found in a wheelbarrow.

Accepted Answer

One simple machine in a wheelbarrow is the wheel and axle. The wheel helps it roll and carry heavy loads more easily.

Question 11

A person uses an axe to split wood. What simple machine is the axe head?

Accepted Answer

The axe head is a wedge. It pushes the wood apart as it cuts into it.

Question 12

A jar lid twists onto a jar. Which simple machine is the lid using?

Accepted Answer

The jar lid uses a screw. The threads help it twist on and stay tight.

Question 13

Why is a pulley helpful when lifting a bucket from a well?

Accepted Answer

A pulley is helpful because it makes it easier to lift the bucket. It changes the direction of the pull on the rope.

Question 14

A ruler balanced on a block can tip up and down. Which simple machine does this show?

Accepted Answer

This shows a lever. The ruler moves around the block, which acts as the fulcrum.

Question 15

Give one example of a simple machine you use at home and tell how it helps you.

Accepted Answer

One example is a doorknob, which is a wheel and axle. It helps me open a door more easily by turning it.

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