WorksheetsNatural Science U5 Review
Total questions: 22
Worksheet time: 17mins
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
It provides the Earth with heat and light.
HEAT
SUN
ELECTRICAL
GEOTHERMAL
TEMPERATURE
This type of energy is heat from inside the Earth.
HEAT
SUN
TEMPERATURE
GEOTHERMAL
ELECTRICAL
This energy can travel in any direction, but it always flows from hot to cold.
TEMPERATURE
SUN
HEAT
GEOTHERMAL
ELECTRICAL
This type of energy can be transformed into heat.
TEMPERATURE
SUN
HEAT
GEOTHERMAL
ELECTRICAL
Artificial energy sources ....
come from the sun.
are made by organisms.
are man-made.
Grass looks green because ...
only green light is reflected.
only green light is absorbed.
only green light is refracted.
Where would you not be able to hear sound?
On the moon.
Inside a swimming pool.
In the sea.
Which of the following does NOT correctly demonstrate how heat flows?
Air from inside a warm house flows outside on a cold night through an open window.
Cold air from the outdoors flows into a warm house through an open window.
Hot air from an oven flows into a warm kitchen when the oven door is opened.
What will happen if we heat the ball? Why?
The ball will remain the same size and continue to pass through the ring.
The ball will get smaller and continue to pass through the ring.
The ball will get larger, so it will not be able to pass through the ring.
When solids like ice are heated, they become liquids. This is:
expansion
evaporation
melting
When liquid water is heated, it turns into a gas. This is:
Melting
Evaporation
Expansion
As matter is heated, the molecules move around more and at a faster rate. This is:
Melting
Expansion
Evaporation
