science revision 2nd term

What is the energy of moving particles?

•  thermal energy

• transfer energy

• light energy

A radio changes electrical energy into …………………..

• Light energy

• Sound energy

• No change

The energy of motion is known as…………………..

• Kinetic energy

• Speed

• Velocity

……………………………………. Is energy we can hear.

• Heat

• light

• Sound

Energy can travel in the form of .........................

• light

• sound

• waves

_________ to bend light

• reflect

• refract

• absorb

_________ a dark area formed when an object blocks light

• heat

• shadow

• light

The …….................................... is the lowest point of a wave.

• crest

• trough

• wave

When you turn on light, electrical energy changes into…………..

 

• a. Light energy

•  b. Sound energy

• c. No change

The ability to do work is called…………..

 b. energy                                                   

•  b. energy  

•  b. effort

•  c. friction