| A | B |
|---|
| Average | A quantity, rating, or the like that represents or approximates an arithmetic mean,  |
| Calorie | A unit used to measure and compare the amount of heat energy contained in substances such as foods and fuels,  |
| Computer Simulation | A computer program, or network of computers, that attempts to simulate an abstract model of a particular system.,  |
| Denisty | A measure of the quantity of some physical property (usually mass) per unit length, area, or volume (usually volume). ? Mass density is a measure of the mass of a substance per unit volume.,  |
| Eyepiece | A lens that magnifies the image formed by the objective lens.,  |
| Graph | A diagram that shows how two variables are related.,  |
| Input Device | A device that inputs to a computer.,  |
| Line graph | A graph in which data points are joined by straight lines, typically used to represent time-series data, with the horizontal axis representing time.,  |
| Microscope | Optical instrument that forms enlarged images of tiny objects.,  |
| Pigment | An opaque substance used to color other materials., .jpeg) |
| Reference point | A place or object used for comparison to determine if an object is in motion,  |
| Scientific law | A statement that describes what scientists expect to happen every time under a particular set of conditions,  |
| Spring Balance | A balance that measure weight by the tension on a helical spring,  |
| Thermometer | An instrument for measuring temperature, founded on the principle that changes of temperature in bodies are accompained by proportional changes in their volumes or dimensions.,  |
| Volume | The amount of space occupied by a three-dimensional object or region of space, expressed in cubic units.,  |
