Ques: Answer the question below: Mike is watching how particles of reactants function, and sees that they are very far apart. Considering that the concentration of them is very low, the chance of them colliding together is high or low? Assuming that: At higher concentrations, particles of reactants are crowded closer together, so they are more likely to collide and react.
Ans: low

Ques: Answer the question below: Dave dropped a feather and a ball out of a window. The ball landed first because it had mass that, compared to the feather, was greater or lesser? Assuming that: The greater the objects mass, the greater the force of attraction; in addition, the greater the distance between objects, the smaller the force of attraction.
Ans: greater

Ques: Answer the question below: If Mona is running a race and her chest expands, what happens to the amount of air pressure in her lungs increases or decreases? Assuming that: Inhaling, or breathing in, increases the size of the chest, which decreases air pressure inside the lungs.
Ans: decreases

Ques: Answer the question below: John was looking at the ocean level data on his computer. He noticed that as the seafloor spreading rate decreases, the level of the sea Decreases or Increases? Assuming that: Sea level rises if an increase in seafloor spreading rate buoys up the ocean crust, causing the ocean basin to become smaller.
Ans:
Decreases