55

Lesson 55 of 84 ยท Engineering and Design

Experiment

Building a Scientific Argument (Part 3)

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

Materials Needed

  • plastic wrap
  • cardboard
  • tape
  • scissors

Safety First

  • Clean up spills immediately to prevent slipping.

Steps

Step 1 โ€” Read

Read about Engineering and Design and write down three key facts.

Step 2 โ€” 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 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?

Building a Scientific Argument (Part 3) โ€” Engineering and Design | 3rd Grade Science | LittleActivity | LittleActivity