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Lesson 33 of 84 · Data and Evidence
ExperimentBuilding 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
- design
Materials Needed
- popsicle sticks
- pennies
- plastic wrap
- cardboard
Safety First
- Wear safety goggles when mixing liquids.
- Wash hands after handling materials.
- Be careful with scissors — ask an adult for help if needed.
Steps
Step 1 — 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 — Do
Build your model using the materials provided.
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?