Plants and Their Needs — Answer Key
Part A: Multiple Choice
Circle the best answer for each question.
1. How do dandelion seeds travel to new places?
A) They roll on the ground.
B) They are carried by the wind.
C) They swim through water.
D) They walk on tiny legs.
Dandelion seeds have fluffy tops that catch the wind, carrying them far away to grow in new places.
2. What happens to a seed when it gets enough water and warmth?
A) It stays the same forever.
B) It dries up.
C) It begins to sprout and grow.
D) It turns into a rock.
When a seed gets enough water and warmth, it begins to sprout and grow into a new plant.
3. Which animal helps spread seeds by burying acorns?
A) fish
B) squirrel
C) snake
D) frog
Squirrels bury acorns to save for later. Some of those acorns sprout and grow into new oak trees.
4. What part of the plant grows first when a seed sprouts?
A) flower
B) leaves
C) roots
D) fruit
The roots grow first when a seed sprouts. They reach down into the soil to find water and hold the plant in place.
Part B: Fill in the Blank
Write the correct answer on each line.
1. A seed needs water, warmth, and soil to start growing.
A seed needs water, warmth, and soil to start growing. The soil provides nutrients and a place to anchor.
2. When a seed starts to grow, it is called germination.
When a seed starts to grow, it is called germination. The seed cracks open and a tiny root appears.
3. Some seeds have tiny wings that help them fly in the wind.
Some seeds have tiny wings, like maple seeds, that help them spin and fly through the wind.
4. Coconut seeds can travel across the ocean by floating.
Coconut seeds can travel across the ocean by floating. Their hard shells keep them safe in the water.
5. Plants grow toward sunlight because they need it to make food.
Plants grow toward sunlight because they need it to make food through photosynthesis.