Question: Choose your answer.

When ice melts, it becomes a
My Answer: liquid.

Question: Choose your answer.

A jet plane is moving at a constant velocity on a flat surface. Which forces act against the forward motion of the plane?
My Answer: friction and air resistance

Question: Choose your answer.

Which is an example of kinetic energy?
My Answer: a ball rolling down a hill

Question: Choose your answer.

How are cells able to produce the proteins required by certain conditions?
My Answer:
by expressing existing genes