Types of Machines
Name one of the six simple machines.
Levers, pulleys, wheels and axels, inclined planes, wedges, and screws
A seesaw is what kind of machine?
Lever
What simple machine do stairs act like?
Inclined plane
Simple machines help us by reducing what?
The amount of force needed
Which simple machine has a rope and a wheel?
Pulley
A flagpole uses this machine to raise the flag.
Pulley
What machine helps cut wood and has a sharp edge?
Wedge (like an axe)
How does a pulley make work easier?
Changes the direction of the force
What do we call a ramp that helps lift things?
Inclined plane
What type of machine is a knife?
Wedge
A wheelbarrow uses which simple machine?
Lever and wheel and axle
How does a lever help lift things?
It lets you use less effort to move a load.
What kind of simple machine is a doorknob?
Wheel and axle
Scissors are made of which two types of machines?
Lever and wedge
What machine do we use in a well to pull up a bucket?
Pulley
Why are inclined planes useful for moving heavy things?
They let you push things up more easily over a longer distance.
Which machine is an inclined plane wrapped around a rod?
Screw
What machine is in a screwdriver?
Screw
Which machine would you use to hold two pieces of wood together tightly?
Screw
How do wedges help in splitting things?
They concentrate force into a smaller area to cut or split.