The questions
- 1
What is the water cycle?
- A bicycle that runs on water power
- A kind of waterfall high in the mountains
- A machine that washes and dries clothes
- The way water moves around the Earth again and again
Answer: The way water moves around the Earth again and again
- 2
What gives the water cycle its energy?
- Fish
- The Moon
- The Sun
- The wind only
Answer: The Sun
- 3
What is it called when the Sun warms water and it turns into vapour?
- Collection
- Condensation
- Evaporation
- Precipitation
Answer: Evaporation
- 4
What is it called when water vapour cools and makes clouds?
- Condensation
- Evaporation
- Infiltration
- Precipitation
Answer: Condensation
- 5
What is it called when water falls from clouds?
- Collection
- Condensation
- Evaporation
- Precipitation
Answer: Precipitation
- 6
What is it called when water gathers in rivers, lakes and seas?
- Collection
- Condensation
- Evaporation
- Transpiration
Answer: Collection
- 7
What is water vapour?
- Dirty water
- Salty water
- Water as a gas
- Water as ice
Answer: Water as a gas
- 8
Which of these is precipitation?
- Clouds and fog
- Rain, snow, sleet and hail
- Rivers
- Steam from a kettle
Answer: Rain, snow, sleet and hail
- 9
What do plants give out through their leaves?
- Rain (falling drops)
- Salt (white crystals)
- Snow (frozen flakes)
- Water vapour (transpiration)
Answer: Water vapour (transpiration)
- 10
Where is most of the Earth's water?
- In clouds
- In lakes
- In rivers
- In the oceans
Answer: In the oceans
- 11
Is most of the Earth's water salty or fresh?
- Fresh
- Half and half
- Salty
- There is no salt water
Answer: Salty
- 12
What happens to puddles on a sunny day?
- They evaporate and disappear
- They freeze
- They get bigger
- They turn into rivers
Answer: They evaporate and disappear
- 13
What are clouds made of?
- Cotton from cotton plants
- Dust blown up from the ground
- Smoke from fires and factories
- Tiny water drops and ice crystals
Answer: Tiny water drops and ice crystals
- 14
Why do we see drops on the outside of a cold glass?
- It rains inside the house
- The glass leaks
- The ice sweats
- Water vapour from the air condenses on it
Answer: Water vapour from the air condenses on it
- 15
What do we call water that soaks deep into the soil and rocks?
- Groundwater
- Rainwater only
- Seawater
- Steam
Answer: Groundwater
- 16
What do we call the flat land of mud and sand that some rivers build where they reach the sea?
- A dam
- A delta
- A source
- A spring
Answer: A delta
- 17
Which form of precipitation is little balls of ice?
- Drizzle
- Hail
- Sleet
- Snow
Answer: Hail
- 18
Which word means very light rain?
- Downpour
- Drizzle
- Flood
- Storm
Answer: Drizzle
- 19
Where does the water in a river start?
- At its source, often in hills or mountains
- At the sea, where the river ends
- In a city, under the streets
- In a cloud, high in the sky
Answer: At its source, often in hills or mountains
- 20
What do we call the steps of the water cycle in order?
- Clouds, rivers, lakes, seas
- Collection, rain, sun, snow
- Evaporation, condensation, precipitation, collection
- Ice, water, steam, ice
Answer: Evaporation, condensation, precipitation, collection
