| A | B |
|---|
| Standard | An exact quantity that people agree to use for comparison. |
| SI | The International sysyem of units. |
| Meter | The SI base unit for length. |
| Volume | The amount of space occupied by an object. |
| Derived unit | unit of measurment obtained by combining SI units. |
| Liter | The unit of liquid volume(L) that occupies the same volume as a cubic decimeter(dm3) and is slightly larger than a quart. |
| Mass | A measurment of the amount of matter in an object. |
| Kilogram | The SI unit of mass. |
| Density | The mass per unit volume of a material. |
| Time | The interval between two events. |
| Second | The SI unit for time. |
| Kelvin | The SI unit for tempurture. |
| Graph | A visual display of information or data. |
| Speed | The rate in change of position. |
| Instantaneous speed | The rate of motion at any given instant. |
| Constant Speed | A speed that doesn't vary. |
| Average speed | The total disatnce traveled divided by the total time traveled. |
| Velocity | Describes speed and direction of an object. |
| Acceleration | The rate in change in velocity. |
| Force | A push or pull one body exerts on another. |
| Balanced forces | Forces that are equal in size and opposite in direction. |
| Net Force | The sum of the forces on an object when unbalanced forces are applied to it. |
| Inertia | The tendency of an object to resist any change to its motion. |
| Friction | The force between two objects when they are touching. |
| Newtons 2nd Law of Motion | A net force acting on an object causes the object to accelerate in the direction of the force. |
| Air Resistance | The force air exerts on a moving object. |
| Terminal Velocity | The highest velocity that will be reached by a falling object. |
| Projectile | Anything thrown or shot through the air. |
| Centripital acceleration | Acceleration towards the center of a curved or circular path. |
| Centripital Force | A force acting toward the center of a curved or circular path. |
| Artificial Satellite | A huma made device that orbits the earth for a specific purpose. |
| Newtons 3rd law of motion | Action/ Reation |
| Momentum | A property of a moving object had because of its mass and velocity. |
| Law of Conservation of momentum | The total amount of momentum of a group of objects doesn't change unless an outside force acts of them. |
