Physical Science Review

Front

The mass per unit volume of a material is its _____________.

Back

Density

Front

Pure water has a pH of 7. Pure water _______.

Back

is a neutral substance

Front

This device is used to lift or move loads by applying force at a distance from a pivot point. What is it?

Back

lever

Front

A runner has a momentum of 720 kg m/s and is traveling at a velocity of 5 m/s. What is his mass?

Back

144 kg

Front

A simple machine that consists of a rigid bar that pivots about a fixed point is called a ___________.

Back

lever

Front

The measure of the amount of matter in an object is known as its ___________.

Back

mass

Front

The force of gravity acting on an object is referred to as its ___________.

Back

weight

Front

The rate at which work is done or energy is transferred is called ___________.

Back

power

Front

The ability of a material to return to its original shape after being deformed is known as ___________.

Back

elasticity

Front

The distance traveled per unit of time is called ___________.

Back

speed