Ques: The forest habitat of elephants has also decreased in size due to humans moving in, so the numbers of the elephants have decreased.  When humans tear down trees what happens to the population of the animals in the tree Lower or Increase?
Ans: Lower

Ques: The closer objects are to each other, the stronger the gravitational force between them.  When a star is nearing a planet, the star will be pulled into it if the gravitational force is weaker or stronger?
Ans: stronger

Ques: When particles move more quickly, temperature is higher and an object feels warmer.  Jan is cold, so she starts to jog in place. The slower Jan jogs, she will feel warmer quicker or slower?
Ans: slower

Ques: Wave frequency can be measured by counting the number of crests or compressions that pass the point in 1 second or other time period. The higher the number is, the greater is the frequency of the wave.  If Milo increases the number of crests of his wave, what happens to the frequency of his wave increases or decreases?
Ans:
increases