78

Lesson 78 of 84 ยท Human Impacts on Earth

Experiment

Renewable Energy Technology (Part 4)

What You'll Learn

Renewable resources like solar panels and wind turbines generate clean energy. Human innovation in engineering continues to make these technologies more efficient and affordable.

Key Words

  • prototype
  • design
  • constraint

Materials Needed

  • pennies
  • plastic wrap
  • cardboard
  • tape
  • scissors
  • straws

Safety First

  • Dispose of materials properly after the experiment.
  • Handle glass items carefully to avoid breakage.

Steps

Step 1 โ€” Read

Read and learn: Renewable resources like solar panels and wind turbines generate clean energy. Human innovation in engineering continues to make these technologies more efficient and affordable.

Step 2 โ€” Do

Conduct the experiment by following the instructions.

Step 3 โ€” Observe

Draw a picture of what you observe.

Step 4 โ€” Record

Answer the questions based on your data.

Check Your Understanding

Question 1

1 of 3

What is a constraint in engineering?