24

Lesson 24 of 84 ยท Ecosystems

Experiment

What Do Plants Need to Grow?

What You'll Learn

Plants need sunlight, water, carbon dioxide, and nutrients from soil to grow. Their roots absorb water and minerals while their leaves capture sunlight for photosynthesis.

Key Words

  • invertebrate
  • species
  • organism

Materials Needed

  • cups
  • water
  • plastic wrap
  • ruler

Safety First

  • Keep small objects away from young children.
  • Work in a well-ventilated area when using vinegar or other strong-smelling substances.
  • Dispose of materials properly after the experiment.

Steps

Step 1 โ€” Read

Read and learn: Plants need sunlight, water, carbon dioxide, and nutrients from soil to grow. Their roots absorb water and minerals while their leaves capture sunlight for photosynthesis.

Step 2 โ€” Do

Compare your results with a partner.

Step 3 โ€” Observe

Use your senses (except taste) to describe what you notice.

Step 4 โ€” Record

Write a summary of your findings in 3-5 sentences.

Check Your Understanding

Question 1

1 of 3

What type of consumer eats only plants?

What Do Plants Need to Grow? โ€” Ecosystems | 3rd Grade Science | LittleActivity | LittleActivity