3f Sci Yr4 Theme3 Cycles Rev3(f)

a) The Earth looks blue because most of its surface is covered with water.

b) There are less than 5% of salt water on Earth.

c) There are more than 95% of fresh water on Earth.

d) Water is the most important thing that all living things need in order to keep survive.

Fill in the Correct Answer

b) The states of water are _________, _________, gaseous.

a) Choose items below that are considered as water in the liquid state.

b) Choose items below that are considered as water in the solid state.

c) Choose items below that are considered as water in the gaseous state.

a) At what degree celcius do the water freezes into solid ice?

b) At what degree celcius do the water change into steam and water vapour?

c) What happen to the bottle of water when you put inside the freezer?

d) What happen when you place ice cubes outside the refrigerator?

e) What happens when you place your jug of warm water in an air-conditioned area?

Fill in the correct answer.