Natural Science U5 Review

Sound does not need a medium to travel, which is why there is sound in space.

• TRUE

• FALSE

We hear sound when an object moves.

• TRUE

• FALSE

Sound moves in waves.

• TRUE

• FALSE

Small vibrations make loud sounds, while large vibrations make quiet sounds.

• TRUE

• FALSE

Sound travels faster through water than through air.

• TRUE

• FALSE

Birds singing in a tree is an example of noise pollution.

• TRUE

• FALSE

REFLECTION OR REFRACTION?

• REFLECTION

• REFRACTION

Draw a diagram to explain REFLECTION

Draw a diagram to explain REFRACTION.

It measures how hot or cold something is

• HEAT

• ELECTRICAL

• SUN

• GEOTHERMAL

• TEMPERATURE