Plants: Growth & Needs — Answer Key
Part A: Multiple Choice
Circle the best answer for each question.
1. What gas do plants put into the air that we need to breathe?
A) Smoke
B) Oxygen
C) Steam
D) Sand dust
Plants release oxygen; people and animals must breathe it.
2. Imagine a world with no plants at all. What would happen?
A) Animals would have plenty of food
B) Less food and clean air for everyone
C) Deserts would get cooler fast
D) Rivers would fill with fruit
Without plants, there is less food, oxygen, and shade.
3. On a hot sunny day, a big tree gives us...
A) Bright flashlights
B) Cool shade to sit under
C) Loud music to hear
D) Snow and cold ice cubes
Tree leaves block sunlight and keep the ground cool.
4. Which is NOT a way plants help animals?
A) Give oxygen to breathe
B) Give food to eat
C) Give homes in branches
D) Chase away the rain
Plants feed and shelter animals but do not stop rain.
Part B: Fill in the Blank
Write the correct answer on each line.
1. Plants give us oxygen to breathe from the air.
Leaves release oxygen as they make food from sunlight.
2. Many animals build their homes inside a tree.
Trees give safe spots for birds, squirrels, and bugs.
3. On a hot day, a big tree gives us cool shade.
Leaves block hot rays and keep the ground cooler.
4. We eat plants like apples, rice, and beans.
Beans are seed foods that give energy for our bodies.
5. A world with no plants would have less oxygen and food.
Plants clean our air and feed almost every living thing.