Vocabulary
Movement
Movement is the change in position of a person or object.
Energy stored in an object is....
a) Kinetic energy
b) Potential energy
b) Potential energy
An _______ is also known as a ramp. It is a sloped surface.
Inclined plane
A ______ is a wheel with a groove in it and a rope in the groove.
Pulley
Energy
Energy is the capacity for doing work.
Energy at work is....
a) Kinetic energy
b) Potential energy
a) Kinetic energy
A ______ is a bar on top of a fixed point.
Lever
A ______ is a force that moves an object away from something.
Push
Potential energy
Potential energy is the enery "stored" in an object.
A ________ is a bar on top of a fixed point.
a) Lever
b) Wheel and axle
c) Wedge
a) Lever
A ________ is a pair of inclined planes placed back-to-back. It forces something apart.
Wedge
A ______ is a force that brings an object closer.
Pull
Kinetic energy
Kinetic energy is energy at work.
An axe is an example of which simple machine?
a) Lever
b) Wheel and axle
c) Wedge
c) Wedge
A _____________ is a wheel with a rod attached to its centre.
Wheel and axle
A ______ is a push or a pull.
Simple Machine
A simple machine is a basic tool that helps apply force and do work.
Which simple machine would be helpful for raising a flag?
a) Pulley
b) Wedge
c) Screw
a) Pulley
A _______ is a cylinder with an inclined plane wrapped around it.
Screw
A _____, _____ and ______ is an object that uses a simple machine.
Drill, light bulb, car, bike, axe, well, fork, wheelbarrow, shovel, slide.