Energy and Forces
Terms
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- The amount of ____ energy an object depends on the objects temperature
- THERMAL
- When a ball is tossed up in the air, energy changes from ___ to ____.
- Potential to Kinetic
- T/F Only objects that are moving have energy
- False- staitionary objects can have potential energy
- The energy of motion is called ___ energy
- Kinetic Energy
- T/F The total amount of energy increases when a candle burns
- False: Energy is neither created nor destroyed, just made from one form to another
- T?F Coal is being made faster than it is being used
- Sadly, False Coal is a nonrenewable fossil fuel
- Name two fossil fuels
- petroleum-fossilized marine critters coal-fossilized plant- same as petroleum natural gas
- Solar energy is the least expensive energy source. T/F
- True It's abundant ( and inexhaustible).
- What do a pizza, a car and a lit candle all have in common?
- They all gots energy man! They can all cause change right?
- The energy of motion is called
- Kinetic energy
- ___energy increases as an object moves faster.
- Kinetic A fast ball has more energy than a slow ball of the same size.
- What has more energy, a bowling ball moving at 10 mph or a golf ball moving at 10 mph?
- The bowling ball has more energy-specifically kinetic energy- because is has more MASS
- The more mass an moving object has the more _____energy it has
- Kinetic
- ____ energy is the energy of position.
- Potential
- What has more potential energy, a vase on the kitchen counter or the same vase on top of a skyscraper?
- One vase on the skyscraper- its position- as measured by height- is higher