25
Lesson 25 of 84 · Organic Chem
ExperimentEndangered Species and Conservation
What You'll Learn
Endangered species are at risk of extinction due to habitat loss, pollution, hunting, or climate change. Conservation efforts work to protect these species and their habitats.
Key Words
- invertebrate
- species
- organism
Materials Needed
- water
- plastic wrap
- ruler
- magnifying glass
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 — Read
Study the diagram and label the parts you recognize.
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
Look for patterns in your observations.
Step 4 — Record
Make a graph or chart showing your results.
Check Your Understanding
Question 1
1 of 3Which part of a plant captures sunlight?