What is an example of convection in earths systems

A device that does work with one movement and changes the size or direction of a force is a (n)

Which characteristic should a good scientific question have? A) It should lead to a hypothesis that is not testable. B) it should have a very broad focus with many variables. C) it should repeat a question that the researcher has had before.

What is the term for a mirror with a flat surface? A. silver mirror B. plane mirror C. glass mirror D. reflecting mirror

In a compound, the atom does or does not take on a new set of properties

Sound waves travel through liquids tend to move faster than sound waves traveling through

Hot spots in electronic and electric circuits can be detected visually with the use of A. dataloggers. B. thermocouples C. oscilloscopes D. infrared cameras.

A baseball with a mass of 0.8 kg is given an acceleration of 20m/s. how much force was applied to the ball

Stephen can push with 200N of force on a couch. If the couch has a mass of 20 kg, how much acceleration will the couch have?

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.