Learn About Sound and Light Waves

Learn about light and sound waves by playing these games:

1. Mix and Match (Exploratorium):

Click on the CHANGE COLOR BACKGROUND button at the right to set a new background color.
Now try to make the circle match the background.
Change the amount of red, blue, and green light by clicking the + or - buttons for each color.
When the color of the circle matches the color of the background, the circle will disappear.
To check your answer click on CHECK COLOR LEVELS. Small arrows will appear next to each color column, indicating the amount of each color used.

2. Organization of Living Things: Bats (Houghton Mifflin):

Choose 1, 2, and 3 to read about bats and click on the speaker for help reading.
On 2, CLICK START to watch the movie and follow the instructions to catch the insects.
WRITE down your response to “Describe how an insect echo is different from a tree echo.”

3. How We Hear Sound:

Listen to the Scientist explain how the glasses show sound waves.
Explore the laboratory and visit each station to see the sound waves and if humans or animals can hear them.