Energy, Work, and Simple Machines Mr. Pecora

Energy must have the ability to cause

• Change
• Heat
• Motion

The energy carried by the electromagnetic waves that operate radios and microwave ovens is 

• Radiant Energy
• Mechanical Energy
• Geothermal Energy

Which transformation occurs when you turn on an electric lamp

• Electric energy becomes sound energy
• Light energy becomes sound energy
• Thermal energy becomes electric energy

Which activity uses energy to do work

• Walking
• Sleeping
• Standing still

A simple machine does work with 

• One movement
• No energy
• An electric current

Waste energy is created due to

• Friction
• Heat
• Extra energy

The sum of potential energy and kinetic energy in a system of objects is

• Mechanical Energy
• Total Energy 
• Systematic Energy

Which energy producer is NOT a source of chemical energy

• Wind
• Wood
• Coal

Which type of wave is NOT a form of radiant energy people use 

• Gamma ray
• Light waves
• Radio Waves

In photosynthesis, plants take ____ energy from the sun and transform it into ____

• Radiant, Chemical
• Radiant, Thermal
• Nuclear, Chemical