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Lesson 31 of 84 ยท Engineering and Design
ExperimentConservation: Protecting Our Resources (Part 2)
What You'll Learn
Conservation efforts protect natural resources and biodiversity. Reducing waste, recycling, protecting habitats, and using renewable energy all help preserve Earth's resources.
Key Words
- conclusion
- evidence
Materials Needed
- rubber bands
- string
- cups
- aluminum foil
- ruler
- markers
Safety First
- Use materials only as directed in the experiment.
- Keep small objects away from young children.
- Work in a well-ventilated area when using vinegar or other strong-smelling substances.
Steps
Step 1 โ Read
Read and learn: Conservation efforts protect natural resources and biodiversity. Reducing waste, recycling, protecting habitats, and using renewable energy all help preserve Earth's resources.
Step 2 โ Do
Gather your materials and set up your workspace.
Step 3 โ Observe
Watch carefully for any changes and note the time.
Step 4 โ Record
Create a data table to organize your measurements.
Check Your Understanding
Question 1
1 of 3What is the independent variable?
