Exploring Simple Machines Quiz

What is a simple machine that helps you lift heavy objects by using a long bar and a fulcrum?

• Pulley

• Lever

• Wheel and axle

Which simple machine is a flat surface that is tilted at an angle to help move objects up or down?

• Inclined plane

• Screw

• Wedge

What is the point called where a lever pivots or turns?

• Load

• Fulcrum

• Effort

Which type of lever has the fulcrum in the middle, with the load on one side and the effort on the other?

• First-class lever

• Second-class lever

• Third-class lever

In which type of lever is the load in the middle, with the fulcrum on one end and the effort on the other?

• First-class lever

• Second-class lever

• Third-class lever

Which type of lever has the effort in the middle, with the fulcrum on one end and the load on the other?

• First-class lever

• Second-class lever

• Third-class lever

Which of the following is an example of an inclined plane?

• See-saw

• Ramp

• Scissors

What is the main purpose of using a simple machine?

• To make work harder

• To make work easier

• To make things heavier

Which of the following is an example of a first-class lever?

• Wheelbarrow

• Scissors

• Fishing rod

Which of the following is an example of a second-class lever?

• Hammer

• Nutcracker

• Broom