50
Lesson 50 of 84 · Chemical Bonds
ExperimentSeeds and Germination (Part 2)
What You'll Learn
Plants reproduce through seeds or spores. Flowering plants produce seeds inside fruits, while conifers produce seeds in cones. Ferns and mosses reproduce using tiny spores.
Key Words
- decomposer
- food web
Materials Needed
- markers
- tape
- small pots
- cotton balls
- zip-lock bags
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
Review the background information on Chemical Bonds before starting.
Step 2 — Do
Design a controlled experiment: grow plants under different light conditions (full sun, partial shade, no light). Water equally and measure growth daily for one week.
Step 3 — Observe
Watch carefully for any changes and note the time.
Step 4 — Record
Create a data table to organize your measurements.
Check Your Understanding
Question 1
1 of 3What is germination?