Understanding See-Saws

A see-saw is a type of ______.

• Vehicle

• Toy

• Lever

• Machine

Which of the following is a characteristic of a see-saw?

• It has wheels

• It balances on a pivot

• It is used for cooking

• It is a type of book.

The center point of a see-saw is called the ______.

• Fulcrum

• Axis

• Base

• Top

A see-saw is an example of which simple machine?

• Pulley

• Inclined Plane

• Lever

• Wheel and Axle

In a see-saw, the weight on one side is balanced by ______.

• Air

• Water

• Weight on the other side

• Nothing

What is needed for two people to use a see-saw effectively?

• Equal weight

• Different heights

• Same age

• Same color clothes

Which force is associated with weight as mentioned in the learning outcome?

• Magnetic force

• Gravitational force

• Electrical force

• Frictional force

What did Sam and Sara jump onto at the playground?

• Slide

• Swing

• Seesaw

• Sandbox

To ensure smooth movement, the structure should ______.

• A) be very heavy

• B) balance and move up and down smoothly

• C) have wheels

• D) be glued together.