Choose the correct energy transformation for a rock falling from a cliff.

A material possessing free electrons, and capable of passing electrical current, is called a: conductor, insulator, or transmitter?

Which organisms play roles similar to organisms in water ecosystem

Class characteristics serve as corroboration for other, more subjective pieces of evidence in a courtroom (like witness testimony). True False

What type of force can be thought as either a push or pull?

You operate a 120 w light bulb for 5 minutes. how much energy did you use?

What uses electricity

How do invasive species spread? identify three methods. Why do invasive species pose such a threat?

If earth somehow expanded to a larger radius, with no change in mass, how would you're weight be affected? How would it be affected if earth shrunk?

Consider a helium balloon on a string tied to the seat of your stationary car. The windows are closed, so there is no air motion within the car. The car begins to accelerate forward. Which way will the balloon lean, forward or backward

The force of gravity acts upon meteors from the rocky asteroid belt between mars and Jupiter. Where is the force of gravity most likely to pull these meteors