72
Lesson 72 of 84 ยท Waves
LessonHow Light Travels (Part 4)
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
- conclusion
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?
