The more energy the particles in matter have, the faster and more strongly they vibrate. Having read the above passage, choose the right answer to the following question (choices are weakly or powerfully ): Chris sees a particle with great energy. Chris knows it has lots of energy because it vibrates weakly or powerfully?
powerfully

The density of the atmosphere decreases with an increase in the height above sea level (altitude). Having read the above passage, choose the right answer to the following question (choices are it would become less dense or it would become more dense ): What would happen to the atmosphere as Jim climbed higher up a mountain it would become less dense or it would become more dense?
it would become less dense

Q: More particles inside the container means more collisions, and more collisions mean a higher pressure. Having read the above passage, choose the right answer to the following question (choices are higher pressure or lower pressure. ): A container that has less particles in it will have a higher pressure or lower pressure.?
A: lower pressure.

Question: In erosion, the higher the elevation, the farther the stream is from where it will reach base level and the more cutting it has to do. Having read the above passage, choose the right answer to the following question (choices are low or high ): When water is eroding down a river it will do less cutting if it is low or high?
Answer: low

*Question*
Solar power is expensive, but as demand increases technology improves and costs decrease. Having read the above passage, choose the right answer to the following question (choices are increase or decrease ): Mona lives in a city that doesn't know much about solar power. As the citizens become more aware of solar and the benefits it offers the demand for solar power rises. What happens to the cost of the technology as the demand increases increase or decrease?
**Answer**
decrease

(Q).
If we have two materials with the same volume, the material with a higher mass will be more dense. Having read the above passage, choose the right answer to the following question (choices are larger or smaller ): Mike put two things into buckets of water. The first bucket got a rubber duck, and the second bucket got a bowling ball. The water was more displaced in the bucket with the bowling ball, because the mass was larger or smaller?
(A).
larger