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science inv #3
vocab
| Term | Definition |
|---|---|
| PE (potential energy) | energy stored in position or the condition of an object "stretched rubber band or a rock on a hill" |
| KE (kinetic energy) | energy of motion "faster an object is moving the more KE it has" |
| Friction | force that opposes the motion of an object - there are different kinds |
| Sliding Friction | friction between two surfaces where there is sliding |
| Rolling Friction | friction between one or more surfaces where rolling is occurring |
| Fluid Friction | friction between a fluid and any surface (can be liquid or gas) |
| Collision | when one object hits another object |
| Infer | to make a conclusion based on evidence |
| Variable | any factor that can be changed "the amount of gas you put in a gas tank is a variable in how far the vehicle will travel" |
| Transfer | to move from one thing to another |
| Thermal Energy | radiant energy that heats |
| GPE (Gravitational Potential Energy) | potential energy that is dependent of gravity |
| Joule | a unit of KE |