The higher the temperature, the more energy the particles have and the faster they will move and diffuse.  By filling a kettle with water and placing it in a freezer turned to low, will the motion of the water molecules in the kettle increase in speed or decrease in speed.?
decrease in speed.

The surface is heated by the Sun and some of that heat radiates back into the air. This makes the temperature higher near the surface than at higher altitudes.  The closer to sea level that you get the cooler it is or warmer it is?
warmer it is

Chemical weathering increases as: Temperature increases: Chemical reactions proceed more rapidly at higher temperatures.  John was redoing the siding on his house when he noticed something interesting. As the temperature decreases, the weathering effect Decreases or Increases?
Decreases

As the Universe expands, galaxies move further and further apart.  The decreasing distances between galaxies indicates the Universe is expanding or contracting?
contracting