Infrared, ultraviolet, and visible light are all part of the electromagnetic spectrum. The basic difference between them is their

A. speed

B. wavelength

C. source

D. Temperture

During which stage of prophase i does crossing over take place?

Which of these does not have volume? select one: a. air b. energy c. a sponge d. a lake

1 G force = ? Newtons

Terry says that if an object has no acceleration, then no forces are exerted on it. Sherry doesn't agree, but can't provide an explanation. They both look at you. What do you say?

Which of the following is not a transverse wave? A) soundB) lightC) radioD) all of theseE) none of these

Which devices might use electromagnets? pick all that apply. 1. audio speakers 2. plastic combs 3. trains 4. doorbells 5. revolving chairs 6. cranes

Match each type of line or symbol, common to geologic maps, to its description. 1. Fault Line A. very dark and thick line 2. Contact Line B. very light and thin line 3. Axis Fold C. look like a stubby T 4. Strike and Dip D.

You drop your backpack out of a window from a height of 8.3 m. What is the impact speed of your backpack? A. 163 m/s B. 1.2 m/s C. 21.3 m/s D. 12.8 m/s

What is the kinetic energy of a car that has a mass of 1,600 kg and is moving at 22 m/s?

Which is an example of a transverse wave? A. sound B. electromagnetic C. water D. seismic waves