| A | B |
|---|
| Knowledge gained by using senses | Observation |
| How much matter a substance has | Mass |
| Educated guess based upon our observations | Interpretation |
| Instrument used to measure mass | Balance |
| Unit used for measuring mass | grams |
| Amount of space that an object takes up | Volume |
| Caused by gravity pulling on mass. | Weight |
| Unit used for measuring volume of liquids | liters |
| Force pulling on all mass | Gravity |
| Unit used to measure volume of solids | Cubic Centimeters (cm3) |
| Instrument used to measure volume of liquids. | Graduated Cylinder |
| How tightly packed the molecules are | Density |
| Method used to measure volume of irregular shaped solids. | Displacement |
| Energy in motion or being used | Kinetic |
| Consists of both liquids and gases | Fluid |
| Energy at rest | Potential |
| Energy flows because of differences in density and works best in fluids | Convections |
| A type of energy that includes the electromagnetic spectrum | radiant |
| Energy that travels in rays (waves) and works best in gases or outer space. | Radiation |
| Energy travels from molecule to molecule and works best in solids | Conduction |
| Hears and cools quickly | Dark Surface |
| 3 methods of Energy Transfer | Radiation. Conduction, Convection |
| Method of energy transfer that works best in a vacuum and gases | Radiation |
| Method of energy transfer that involves ?waves? and ?rays? | Radiation |
| Number of waves (cycles) per second, CPS | Frequency |
| Length of one wave or one cycle express in meters | Wavelength |
| Speed of light | 300,000,000 meters per second or 300,000 Km per second or 186,000 miles per second |
| CPS = | HERTZ (Hz) |
| When energy is absorbed | molecules move faster and farther apart so the density gets lower, |
| Method of energy transfer that works best in solids | Conduction |
| Method of energy transfer that involves touch | Conduction |
| Method of energy transfer that involves ?Differences in Density? | Convection |
| Method of energy transfer the works best in fluids | Convection |
