33

Lesson 33 of 84 ยท Waves

Experiment

Building a Scientific Argument (Part 2)

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

Materials Needed

  • popsicle sticks
  • pennies
  • plastic wrap

Safety First

  • Work in a well-ventilated area when using vinegar or other strong-smelling substances.
  • Dispose of materials properly after the experiment.
  • Handle glass items carefully to avoid breakage.

Steps

Step 1 โ€” Read

Read and 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.

Step 2 โ€” Do

Build your model using the materials provided.

Step 3 โ€” Observe

Look for patterns in your observations.

Step 4 โ€” 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?