Scottish 2nd Level Bitesize
Home > Sciences > Planet earth > Changing state
Which of the following are examples of liquids?
Wood and paper
Shampoo and oil
Shoes and socks
Butter going soft and runny on a hot day is an example of
What is the missing word? When water is...., it starts to change from a liquid to a solid.
Once a solid has turned to a liquid, can it be changed back to a solid again?
No, it can never be turned back into a solid
Yes, by heating it
Yes, by cooling it
Clouds are formed by...
hot air rising
water vapour condensing
A gas condenses into a liquid when it is...
Which process is the opposite of condensation?
What happens during evaporation?
A gas changes to a liquid
A solid changes to a liquid
A liquid changes to a gas
When water from seas, rivers and lakes changes state and returns to its source as water again, it is called...
the water cycle
Which of these is NOT a part of the water cycle?
The Sun evaporates water on the Earth's surface into water vapour
The water vapour rises, and cools and condenses into clouds
When it rains, the clouds melt