Matter is measured in ___________.

• kilograms

• joules

• electron volts

• rems

Atoms and molecules are the fundamental building blocks of ___________.

• energy

• radiation

• matter

• gravity

A moving object has ____________ energy.

• potential

• kinetic

• nuclear

• electromagnetic

The energy of x-rays is ___________.

• thermal

• potential

• kinetic

• electromagnetic

The basic quantities measured in mechanics are ________, _________, and _________.

• volume, length, meters

• mass, length, time

• radioactivity, dose, exposure

• meters, kilos, seconds

An example of a derived quantity in mechanical physics is a ________.

• meter

• second

• dose

• volume

___________ is a special quantity of radiologic science.

• Mass

• Velocity

• Radioactivity

• Momentum

What is the standard unit of mass?

• kilogram

• meter

• centimeter

• pound

Which system of units uses the foot, the pound, and the second?

• SI

• MKS

• CGS

• British

What is the base SI unit for mass?

• pound

• kilogram

• centigram

• meter