50
Lesson 50 of 84 ยท Waves
ExperimentHow Light Travels (Part 3)
What You'll Learn
Light travels in straight lines and can be reflected, refracted, or absorbed. Mirrors reflect light, lenses refract (bend) light, and dark surfaces absorb light.
Key Words
- data
- observation
Materials Needed
- tape
- scissors
- straws
Safety First
- Protect your work surface with newspaper or plastic.
- Adult supervision recommended.
Steps
Step 1 โ Read
Read and learn: Light travels in straight lines and can be reflected, refracted, or absorbed. Mirrors reflect light, lenses refract (bend) light, and dark surfaces absorb light.
Step 2 โ Do
Measure and record your data in a table.
Step 3 โ Observe
Compare the before and after states.
Step 4 โ Record
Write your conclusion: did the results match your hypothesis?
Check Your Understanding
Question 1
1 of 3What is sound?
