8th Grade 2nd 9weeks Exam Pt. 1

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

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

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

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?

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

A blimp flying above the Super Bowl has the following types of energy.

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

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 eighteenth century, a Swedish scientist devised a scale of measurement in which 0 represented the freezing point of water and 100 represented the boiling point of water. What scale of measurement did the scientist develop?