8th Grade 2nd 9weeks Exam Pt. 1

Match it! Select the correct answer from the pull down...Good luck!

When a pot of water is put on a stove, the water at the top gets hot primarily by __________.?

Jack turned on a radio station and listened to music. How does the radio change waves and energy so Jack can hear the music?

If the frequency of a sound wave is 7.0 Hz, and the sound wave travels through the air at a speed of 350 m/s, what is the wavelength?

Tim placed a cup of ice cubes on the table. The temp. in the cup was 0 degrees Celsius. Thirty minutes later, the cup contained water and smaller ice cubes at a temperature of 4В°C. Which BEST describes the energy transfer?

In the muscle cells in your body, ____________________energy is transformed into ________________.

Which of the following energy resources are NOT considered to be renewable?

Examples: Ice melting in a person's hand, pot boiling on stove, coffee being brewed. Which process is taking place in all three examples?

The electromagnetic waves with the highest energy and frequency are ____________.