| A | B |
|---|
| Galileo | lived from 1564 to 1642 |
| Isaac Newton | lived from 1642 to 1727 |
| Albert Einstein | lived from 1879 to 1955 |
| Newton's 1st Law of Motion | a body at rest remains at rest... |
| Newton's 2nd Law of Motion | a body in motion remains in motion... |
| Newton's 3rd Law of Motion | for every action (force) in nature there is an equal and opposite reaction |
| speed | distance divided by time |
| acceleration | when the rate or speed of an object is increasing |
| centripetal force | a force that makes a body follow a curved path |
| mass | the amount of matter in an object |
| Van de Graf generator | machine used to accumulate electrical charge on a metal globe |
| protocol | a system of rules or agreements about the correct way to act or do something |
| inertia | a property of matter by which it continues in its existing state of rest or uniform motion |
| to decompose | to change chemically; to begin to rot |
| valid | (of an argument or point) having a sound basis in logic or fact; reasonable |
