| A | B |
|---|
| Compass | An instrument for determining directions, as by means of a freely rotating magnetized needle that indicates magnetic north.,  |
| Control Group | (in an experiment or clinical trial) A group of subjects closely resembling the treatment group in many demographic variables not receiving the active medication or factor under study and thereby serving as a comparison group when treatment results are evaluated.,  |
| Engineer | A person who uses scientific knowledge to solve practical problems,  |
| Freezing | The change in state from a liquid to a solid.,  |
| Illuminated | Word used to describe an object that can be seen because it reflects light.,  |
| Joule | A unit of work equal to one Newton- meter., .jpg) |
| Mean | a quantity having a value intermediate between the values of other quantities; an average.,  |
| Obtaining Resources | To come into possession of; get, acquire, or procure, as through an effort.,  |
| Projectile | An object that is thrown.,  |
| Report | To relate, as what has been learned by observation or investigation.,  |
| SI Unit | A complete metric system of units of measurement for scientists.,  |
| Temperature | The measure of the average kinetic energy of the particles in a substance.,  |
| Unbiased | Not biased or prejudiced; fair; impartial.,  |
