Energy and Machines How We Work and Play

the result of force moving an object. Work is... the result of force moving an object.

Force is... a push.

Force is... a pull.

Two Kinds of Energy Potential Kinetic

Potential energy is... stored energy.

Kinetic energy is... energy in motion.

Energy can be… electrical mechanical chemical

a result of electricity. Electrical energy is... a result of electricity.

the energy of moving objects. Mechanical energy is... the energy of moving objects.

Chemical energy is... is stored in matter.

When two objects rub or touch, there is... friction!

Friction will... slow down an object. stop an object.

When an object is still it tends to remain ...

When an object is in motion it tends to stay ...

This is the property of ... inertia!

has few or no moving parts. A simple machine ... has few or no moving parts.

Types of Simple Machines Lever inclined plane wedge screw wheel and axle pulley

a combination of two or more simple machines. A compound machine is ... a combination of two or more simple machines.