Approximately how long is a light-year?

A. 9.5 billion km

B. 95 billion km

C. 9.5 trillion km

D. 95 trillion km

List and give an example of the 7 main EM waves from highest to lowest frequency

What signs could indicate that you are pushing your body too far?

Think of ways you control temperature to influence chemical changes during a typical day. (Hint: cooking, art class)

The source of the sun's heat is A. nuclear disintegration. B. nuclear separation. C. nuclear fission. D. nuclear fusion.

Why don't you hear a sound when you move your hand back and fourth through the air

When a fork is placed in a hot piece of lasagna, thermal energy is transferred up the fork by ...

Levi observed properties of four different waves and recorded observations about each one in his chart.

A rocket is shot straight up from the earth, with a net acceleration (acceleration by the rocket engine minus gravitational pullback) of during the initial stage of flight until the engine cut out at sec.

Which moon has a thick atmosphere made mostly of nitrogen?

J. J Thompson proposed that atoms were made up of positively charged particles with electrons scattered into them. How did he reach this conclusion?