What do you call machines that make work easier for us to do?
Simple Machines
Which simple machine helps us lift or open things easier?
Lever
What is an example of a lever?
A hammer pulling out a nail
Which simple machine helps us move things more easily?
Wheel
What do you call a center post on which a wheel turns?
Axel
True or False?
an example of a pully is a tow truck
True
True or False
an example of an inclined plane is a nail
False
True or False
an example of a wedge is a door stop
True
What is a simple machine that twists to hold things together?
Screw
What is another name for a flat surface?
Plane
What is the tool used for removing a cork from a bottle?
What in the name for a v-shaped machine?
Wedge
What is the tool with a wedge-shaped blade and long handle used for chopping wood?
Axe
A screw is an example of a what?
indoor plane, inside screw, inclined plane
Inclined plane
What works as a screw to dig holes in the ground?
Earth Auger
Define: Gear
a wheel with teeth
Define: Friction
when two surfaces rub against each other
Define: Lubricant
can be used to reduce friction
Define: Pulley
a simple machine that helps you pull
Define: Inclined
slanted or leaning