Q: Heat, light, and sound are all different forms of ___.
A: energy
Q: Michael has a pencil case made of pine wood. The surface of the pencil case scratches and dents easily. He wants to make a new pencil case that will not scratch or dent easily. Which of the following should Michael do to make a new pencil case that will not scratch or dent easily?
A: use a different material to make the pencil case
Q: In the rock cycle, weathering and erosion begin the process of the formation of
A: sediments.
Q: Which of the following has the greatest effect on the speed at which sound travels through a gas?
A:
the proximity of the molecules of the medium