What provides the energy for evaporation?
A. The Moon
B. The Sun
C. The Wind
D. Plants
B. The Sun
What forms when water vapour cools?
A. Thunder
B. Rocks
C. Clouds
D. Smoke
C. Clouds
What is precipitation?
A. Water that falls from clouds
B. Water stored in lakes
C. Evaporated water
D. Frozen oceans
A. Water that falls from clouds
What is runoff?
A. Water entering the soil
B. Water flowing on Earth’s surface
C. Water freezing on mountains
D. Water forming clouds
B. Water flowing on Earth’s surface
What is infiltration?
A. Water falling from clouds
B. Water entering the ground
C. Water freezing
D. Water boiling
B. Water entering the ground
During evaporation, water turns from liquid into…
A. Ice
B. Salt
C. Water vapour
D. Clouds
C. Water vapour
Condensation happens when water vapour…
A. Melts
B. Warms up
C. Cools down
D. Evaporates
C. Cools down
Which of these is NOT a type of precipitation?
A. Rain
B. Snow
C. Fog
D. Hail
C. Fog
Streams join together to form…
A. Trees
B. Rivers
C. Wind
D. Soil
B. Rivers
Water stored underground in rocks is called…
A. A volcano
B. A spring
C. An aquifer
D. A canyon
C. An aquifer
Which place experiences the most evaporation?
A. Desert sand
B. Forest floor
C. Oceans
D. Mountains
C. Oceans
What state does water vapour become during condensation?
A. Solid
B. Liquid
C. Gas
D. Plasma
B. Liquid
What causes clouds to release precipitation?
A. Clouds get full and heavy
B. The Moon pulls water down
C. Stars heat the sky
D. Animals breathe out water
A. Clouds get full and heavy
When streams collect in low areas, they form…
A. Lakes or lagoons
B. Volcanoes
C. Forests
D. Glaciers
A. Lakes or lagoons
When groundwater comes back to the surface, it forms…
A. A spring
B. A lagoon
C. A tsunami
D. A glacier
A. A spring
Why does evaporation happen faster on hot days?
A. Water hides underground
B. Heat speeds up evaporation
C. Clouds pull the water up
D. The wind freezes the water
B. Heat speeds up evaporation
Why do droplets form on a cold glass?
A. The glass freezes the water
B. Water vapour condenses
C. The water leaks from the glass
D. The air melts
B. Water vapour condenses
Snow happens when…
A. Clouds are warm
B. Water freezes in the clouds
C. Sunlight melts the water
D. The ocean becomes cold
B. Water freezes in the clouds
What forms when freshwater mixes with saltwater at a river mouth?
A. Oceans
B. Fjords, estuaries, marshes
C. Icebergs
D. Lakes and lagoons
B. Fjords, estuaries, marshes
Water traveling through cracks in rocks often moves into…
A. Clouds
B. Caves
C. Deserts
D. Mountains
B. Caves
Why is evaporation considered a natural cleaning process?
A. Water vapour leaves impurities behind
B. Evaporation kills bacteria
C. The Sun filters the water
D. It changes salt into sugar
A. Water vapour leaves impurities behind
Which of these is a real-life example of condensation?
A. A boiling pot of water
B. Fog on a mirror
C. Steam rising
D. Water flowing in rivers
B. Fog on a mirror
Which of the following BEST explains why precipitation can fall as rain in one place but snow in a nearby mountain at the same time?
A. Mountains produce their own clouds
B. Wind pushes the clouds to drop more water
C. Temperature changes with altitude, causing water to freeze at higher elevations
D. Precipitation avoids warm areas
C. Temperature changes with altitude, causing water to freeze at higher elevations
How does snowmelt help rivers form?
A. Snow turns into clouds
B. Melting snow adds water to streams
C. Snow evaporates instantly
D. Snow blocks the river
B. Melting snow adds water to streams
How can infiltrated water rejoin the surface water cycle?
A. By growing plants
B. By coming out as a spring or joining a river
C. By turning into soil
D. By freezing underground forever
B. By coming out as a spring or joining a river