Plants and Their Needs — Answer Key
Part A: Fill in the Blank
Write the missing word or number on each line.
1. Plants use sunlight, water, and air to make their own food.
Plants use sunlight, water, and air to make their own food through photosynthesis.
2. The process plants use to make food from sunlight is called photosynthesis.
The process plants use to make food from sunlight is called photosynthesis.
3. During photosynthesis, plants release oxygen into the air.
During photosynthesis, plants release oxygen into the air, which is the gas we breathe.
4. Plants take in a gas called carbon dioxide from the air.
Plants take in carbon dioxide from the air and use it along with sunlight and water to make food.
5. Seeds can travel to new places by wind, water, or animals.
Seeds can travel to new places by wind, water, or animals, which helps plants spread.
6. Dandelion seeds float away on the wind.
Dandelion seeds have fluffy parts that catch the wind and float away to new places.
7. Some seeds stick to animal fur and ride to new places.
Some seeds have tiny hooks that stick to animal fur and ride along to new places.
8. Coconut seeds can float on water to reach new land.
Coconut seeds have a hard shell that helps them float on water to reach new land.
9. When a bird eats fruit, it can drop seeds far from the parent plant.
When a bird eats fruit, it can drop seeds far from the parent plant, helping new plants grow in new places.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
dandelion seed
→ blown by the wind
buried by a squirrel
coconut
→ floats on water
blown by the wind
berry seed
→ eaten and dropped by birds
floats on water
acorn
→ buried by a squirrel
eaten and dropped by birds
Dandelion seeds are blown by the wind. Coconuts float on water. Berry seeds are eaten and dropped by birds. Acorns are buried by squirrels.