11
Lesson 11 of 84 · Engineering and Design
ExperimentBuilding a Scientific Argument
What You'll Learn
Scientific arguments require a claim, evidence, and reasoning. The claim states what you believe, evidence provides data supporting it, and reasoning explains how the evidence supports the claim.
Key Words
- evidence
- model
- prototype
Materials Needed
- pennies
- plastic wrap
- cardboard
- tape
Safety First
- Do not taste any materials.
- Wear safety goggles when mixing liquids.
- Wash hands after handling materials.
Steps
Step 1 — Read
Read about Engineering and Design and write down three key facts.
Step 2 — Do
Design a device that can protect an egg from a 2-meter drop. You may use paper, tape, straws, and cotton. Test it and improve your design.
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 3What does a prism do to white light?