Arrange the steps to describe what happens to a liquid when its heated.
a. the particles of liquid move faster
b. the liquid changes to a gas
c. liquid gains thermal energy
d. the space between the liquid particles increases

If you want to change the pitch of a sound, you have to change the

If you quadruple the temperature of a black body, by what factor will the total energy radiated per second per square meter increase? 1,024 64 16 4 256 submit answer

Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.