Energy
What is found in nature, is useful and has economic value
Natural Resources
If you increase the potential energy by dropping a ball from a high point what happens to the kinetic energy of the ball?
It also increases
What is the transformations of a match?
Chemical --> Thermal
Fission or Fusion.
Uses Uranium
Fission
What is petroleum?
Nonrenewable
Fossil fuels such as natural gas, oil and coal store energy. What form of energy is that?
Chemical energy
During a roller coaster ride when does the ride have the most kinetic energy?
Half way down the track
All the way at the end of the track
All the way at the end of the track
What energy conversion does an Iron, a hairdryer, and a toaster have in common?
Convert electrical energy to thermal energy
Fission or Fusion.
Joins two smaller nuclei together.
Fusion
What are disadvantages of solar energy?
Expensive and unpredictable
Which of the following relies on a nonrenewable source of energy?
Solar farm
Dam
Wind farm
Coal power station
If the mass of object A is 8kg and the mass of object B is 15kg. Which object has more potential energy?
Object B
What type of conversion takes place in a microwave oven? (name the 3 steps)
Electrical --> Radiant --> Thermal
Fission of Fusion.
Requires extremely high temperatures. (Sun)
Fusion
What is the law of conservation of energy?
energy cannot be created or destroyed
Biomass is a renewable energy source. Biomass is created from?
agricultural products (once living things)
How would you increase gravitational energy?
Make the starting point higher/taller
What energy transformation does a waterwheel preform?
Mechanical --> Electrical
Fission or Fusion
Splits a nucleus apart?
Fission
What is Geothermal energy?
energy from below the earth's surface
Why can locations not rely on only wind as a main source of energy?
Wind energy it not dependable
Nuclear,chemical, gravitational, and elastic energy are considered what type of energy?
Potential
What type of energy is always released during transformations
thermal
What are disadvantages of Nuclear energy?
Radioactive waste and expensive to build
What is the Independent variable in an experiment?
What you (I) change