rivers to the sea
6 free practice questions with explanations
PassNova has 6 free Kids Water Cycle practice questions on rivers to the sea, each with a clear explanation. Practise them in the browser with instant feedback — 100% free, no sign-up, on any device. Updated for 2026.
rivers to the sea: example questions & answers
6 worked examples with answers and explanations below. Practise them in the browser with instant feedback on every answer.
Where do most rivers finally flow to?
- AUp into the sky
- BBack up the mountain
- CThe sea✓
- DInto space
Answer: Rivers flow downhill and most of them end up flowing into the sea.
Which way does a river naturally flow?
- AUphill
- BDownhill✓
- CStraight up
- DRound in a circle forever
Answer: Water always flows downhill, so rivers run down towards lower ground and the sea.
Where does the water in most rivers start from?
- ARain and melting snow on high ground✓
- BThe middle of the Earth
- CA tap under the sea
- DA giant bucket in space
Answer: Rivers begin high up from rainwater and melting snow, then flow downhill.
What is the salty water that covers most of the Earth called?
- AA pond
- BThe sea✓
- CA puddle
- DA bath
Answer: The huge areas of salty water on Earth are called the sea or ocean.
Why is it important to keep rivers clean?
- ASo they can hold more rubbish
- BOnly so they look shiny for photos
- CAnimals and plants live in and drink from them✓
- DBecause rivers are made of gold
Answer: Clean rivers keep the fish, plants and animals that live there healthy.
Once water reaches the sea, how can it join the water cycle again?
- AIt flies to the Moon
- BIt turns into rock
- CIt stays in the sea forever and never moves
- DIt evaporates into the air to help form clouds✓
Answer: Water from the sea evaporates, forms clouds, and later falls as rain, going round the water cycle again.