Grade 2 · Science · Unit 12 of 12
Water World
The water cycle
What your child practises
The water cycle, where our water comes from, and simple ways to save water and keep rivers clean.
Ontario Curriculum expectation: E1.2, E2.2, E2.3 · sources of water, the water cycle and using water responsibly
Sample questions
A taste of this unit. In the app, questions change every time and get easier or harder to match your child.
Question 1
Put the water cycle in order. Start with the sun warming the water.
- ☁️Clouds form
- 🌊Water collects in rivers and oceans
- ☀️Sun warms water and it rises
- 🌧️Rain or snow falls
Show answer
Sun warms water and it rises → Clouds form → Rain or snow falls → Water collects in rivers and oceans
Hint: Warm water rises into the sky, makes clouds, falls as rain, and collects in rivers and oceans.
Question 2
A glacier is a big piece of…
- 🌋hot lava
- 🏖️warm sand
- 🧊ice that moves very slowly
Show answer
🧊 ice that moves very slowly
Hint: Glaciers are huge rivers of ice found in cold, mountainous places.
Question 3
Why should we keep litter out of streams and oceans?
- 😋It makes the water taste better
- 🐠It can harm fish and other animals
- 🗑️Fish love garbage
Show answer
🐠 It can harm fish and other animals
Hint: Clean water keeps animals and plants healthy.
Question 4
Which of these is frozen water?
- 💧a puddle
- 🧊an icicle
- ♨️steam
Show answer
🧊 an icicle
Hint: Water becomes ice when it gets very cold.
Question 5
A plant that doesn't get water will…
- 🌳turn into a tree overnight
- 🥀droop and dry out
- 🌻grow faster
Show answer
🥀 droop and dry out
Hint: Plants take water in through their roots to stay healthy.
Question 6
Rain that falls on mountains flows down into…
🏔️- ☁️the clouds
- 🏞️streams, rivers and lakes
- 🌙the moon
Show answer
🏞️ streams, rivers and lakes
Hint: Water flows downhill. The land it flows across is called a watershed.