seaweed
6 free practice questions with explanations
PassNova has 6 free Kids Seashore & Rockpools practice questions on seaweed, each with a clear explanation. Practise them in the browser with instant feedback — 100% free, no sign-up, on any device. Updated for 2026.
seaweed: example questions & answers
6 worked examples with answers and explanations below. Practise them in the browser with instant feedback on every answer.
What is seaweed?
- AA smooth grey rock
- BA type of silver fish
- CA sea animal with legs and long feelers
- DA plant-like living thing that grows in the sea✓
Answer: Seaweed is a plant-like living thing that grows in the sea.
What is seaweed often like to touch?
- AFluffy like a pillow
- BSlippery and slimy✓
- CHard like a rock
- DDry and dusty
Answer: Seaweed feels slippery and slimy, and the slime stops it drying out when the tide goes out.
What colour is a lot of seaweed?
- APurple with spots
- BShiny gold
- CGreen or brown✓
- DBright pink
Answer: Most seaweed is green or brown, though some can be reddish too.
Why is seaweed helpful to sea creatures?
- AIt gives them food and a place to hide✓
- BIt keeps the whole sea as warm as a blanket
- CIt teaches them how to fly
- DIt sings and dances for them
Answer: Seaweed is food for some animals and a safe place for others to hide.
How does seaweed stay in one place instead of floating away?
- AIt ties itself into a big knot
- BIt grips onto rocks with a special holding-on part✓
- CIt paddles hard with tiny hands
- DIt stands up on strong arms and legs
Answer: Seaweed grips onto rocks with a special part called a holdfast so the waves do not wash it away.
Can people eat some kinds of seaweed?
- ANo, only the sea creatures can eat it
- BNo, it is a hard kind of grey stone
- CYes, some seaweed is safe to eat✓
- DNo, it is a bit of old plastic
Answer: Some types of seaweed are safe and are used in food that people eat.