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Lesson 31 of 84 ยท Human Impacts on Earth
LessonConservation: 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
- model
Steps
Step 1 โ Read
Review the background information on Human Impacts on Earth before starting.
Step 2 โ Do
Design and build a bridge from newspaper and tape that can hold a textbook. Test it and redesign to make it stronger.
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?
