Building a Scientific Argument (Part 4)

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

model
prototype
design

Materials Needed

pennies
plastic wrap
cardboard
tape

Safety First

Keep small objects away from young children.
Work in a well-ventilated area when using vinegar or other strong-smelling substances.

Steps

Step 1 — Read

Read about Waves 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 3

What does a prism do to white light?