Physical Science is the study of . energy

work

how matter and energy interact

matter

This drawing shows a human body system. what is the primary function of this body system?

Which statement describes james chadwick’s discovery.

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of