Revision on science

Sound energy affects our

• ears

• hands

• eyes

....good conductor of heat

• Plastic

• Copper

• Wood

Oxygen represents......of air.

• 1%

• 21%

• 78%

Your voice is.... energy

• light

• heat

• sound

is the main source of heat

• Sun

• Moon

• Star

Nitrogen gas formes about......of Earth's atmosphere.

• 1%

• 21%

• 78%

The phone makes........sound.

• Tick tock

• ring

You feel .....when you rub your hands.

• warm

• cold

Rubbing is a source of

• sound

• heat

• light

The clock makes.....sound.

• tick tock

• ring