In refraction of light, the greater the change in speed, the more light bends. Ron was playing with a flashlight. He moved it back and forth slowly, and then quickly. Which motion likely caused less light to bend the slow motion or the quick motion?
the slow motion

(Question)
Areas near the equator are warmer than areas near the poles because they receive more direct sunlight. Mona loves to travel the world. She has been to nearly every country. If she notices that some countries appear to be cooler then others, what can she determine about their proximity to the equator farther away or closer?
(Answer)
farther away

Ques: Warm air is less dense than cool air, so it rises higher in the troposphere. If Jim raises the temperature of the air inside his balloon, will his balloon rise higher into the air or sink towards the ground rise higher or sink lower?
Ans: rise higher

(Q).
Warmer molecules vibrate faster than cooler ones. Eric increased the heat of the molecules. They now vibrate faster or slower?
(A).
faster

Ques:The more efficient a device is, the greater the percentage of usable energy it produces. A very efficient pair of solar panels will produce little energy or a lot of energy?

Ans:a lot of energy

Ques:It would be hard to get a big chunk of chocolate to dissolve in your milk or hot water. Maybe you could make hot chocolate from some smaller pieces like chocolate chips, but it is much easier to add a powder to your milk. This is because the smaller the pieces are, the more surface area they have. Dean wants to melt chocolate to drink in his milk. He puts a big piece of chocolate in, and a small piece of chocolate in. The piece with less surface area, which will melt second, is the piece that is bigger or smaller?

Ans:
bigger