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Lesson 78 of 84 · Scientific Models
ExperimentRenewable 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
- evidence
- model
- prototype
Materials Needed
- rubber bands
- string
- cups
- aluminum foil
- ruler
Safety First
- Be careful with scissors — ask an adult for help if needed.
Steps
Step 1 — Read
Look at the vocabulary words and write a definition for each in your own words.
Step 2 — Do
Build a simple seismograph using a pen, cup, string, and paper. Shake the table and record the marks. Can you detect bigger vs. smaller shakes?
Step 3 — Observe
Draw a detailed diagram of what you observe.
Step 4 — Record
Write a conclusion: what did your results show? Did they match your prediction?
Check Your Understanding
Question 1
1 of 3What is a constraint in engineering?