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Lesson 1 of 84 · Life Cycles
ExperimentWhat Living Things Need
What You'll Learn
Living things need food, water, air, and space to survive. Without these, they cannot live.
Key Words
- habitat
- life cycle
Materials Needed
- cotton balls
- zip-lock bags
- labels
- seeds
Safety First
- Work in a well-ventilated area when using vinegar or other strong-smelling substances.
- Dispose of materials properly after the experiment.
- Handle glass items carefully to avoid breakage.
Steps
Step 1 — Read
Read about Life Cycles with a partner or grown-up.
Step 2 — Do
Plant two seeds: put one in sunlight and one in a dark closet. Water both the same amount each day.
Step 3 — Observe
Watch carefully. What happens?
Step 4 — Record
Draw and write about what you learned.
Check Your Understanding
Question 1
1 of 3What do all living things need?