3rd Grade Plan B

Assignment One : Read this article (click here)

Answer these questions about sound waves.

1. Explain why sound won't travel  in outer space.

2. What is the speed of sound in air? How is the speed of sound different through water and steel?

3. What is the unit we measure sound in? What sound level is considered painful for people?

Assignment Two

Now read this article on light waves (click here)

After reading the article on light, take this quiz (click here)


Assignment Three

Read this article on sounds (click here)

Answer these questions:

1. What is the absence or air called like when you are in outer space?

2. How would space battles like Star Wars be different in real life when it comes to sound?

3. What is frequency?

If you are finished then you can watch this video from earlier or work on your "Waves" sway



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