33

Lesson 33 of 84 ยท Engineering and Design

Experiment

Light and Shadows (Part 2)

What You'll Learn

Mirrors reflect light. When light hits a mirror, it bounces off like a ball bouncing off a wall.

Key Words

  • design
  • build

Materials Needed

  • plastic wrap
  • cardboard
  • tape

Safety First

  • Clean up spills immediately to prevent slipping.
  • Use materials only as directed in the experiment.

Steps

Step 1 โ€” Read

Read the introduction. What is this lesson about?

Step 2 โ€” Do

Build a tower from spaghetti and marshmallows. Measure how tall you can make it.

Step 3 โ€” Observe

Look for something that changed. What is it?

Step 4 โ€” Record

Circle the correct answer on your worksheet.

Check Your Understanding

Question 1

1 of 3

Why do we record what happens in experiments?