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science!!!vocab
vocab for science quiz on energy
Question | Answer |
---|---|
what is conduction? | the process by which energy is transferred directly when certin materials touch. |
what is a conductor? | materials that have a structre thatan easly allows energy transfer. |
what are insulators? | materials that are poor conductors and, therefor, slow down the rate of energy movement. |
true or false? "dont let the cold energy out of the frige!" | false the real answer is "dont let the energy into the fridge!" |
during the mixing hot and cold water activity (61) did any energy leave the cup-and-water system? | yes, some escaped into the air. |
what is the formula for finding "ENERGY RELEASED"?(62) | ENERGY RELEASED=TEMPRETURE CHANGE IN WATER x mass of water. |
what is a calorimeter? | a item used to mesure chemical potential energy there is in a material. |
what is a calorie? | the energy required to raise the tempreture of the water by one degree celcius |
about how many calories were in one cheese puff? | we measured 1-2.9 calories but according to the bag the cheese puff had 4 calories. |