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What does it mean for energy to transform?
What transformation occurs when you plug in a lightbulb?
How does energy transform on a roller coaster?
Describe the energy transformation that took place when we completed the lab 'Shake the Shot'.
Describe the Law of Conservation of Energy.
Describe how energy transfers when a hammer hits a nail.
What does it mean for energy to TRANSFER?
Describe how energy transfers through a circuit.
How can someone transfer the most amount of energy when two objects have the same mass?
Describe how energy transfers when you hold a cold water bottle to your hot forehead.
What does renewable energy mean?
What is a non-renwable resource?
List 2 non-renewable energies.
List 3 renewable energies.
What kind of renewable electricity generation would you suggest for a city that is near a river, sunny, and windy? Make 2 suggestions.
Describe potential energy and give an example.
Describe kinetic energy and give an example.
Describe Gravitational Potential Energy and give an example.
Give 3 examples of chemical potential energy.
Describe the energy transformation that takes place wiht water falling from a waterfall.
What is the fastest and easiest way to make your home more energy efficient?
If the efficiency of a lightbulb is 9%, what does this mean?
What is conduction? Give an example of a conductor.
What is insulation? Give an example of a good insulator.
Describe what you would do to a home's windows in sunny Florida to help keep it cooler.
For energy to change from one type to another.
Electric ----> Light
Energy transforms from GPE to Kinetic (sound and thermal). This is an ongoing transformation.
Kinetic ----> Thermal (some sound too)
Energy cannot be created or destroyed, but it can transfer or transform. Whatever energy you have at the beginning of a transformation must be equal at the end of transformation (regardless of the energy types involved).
The energy moves from the hammer to the nail.
For energy to move from one place to another.
Energy moves from the battery, through the wires, to the lightbulb.
Hold the object higher up or give it more GPE.
The energy transfers from your warm head to the cold bottle, which cools you down and heats up the water bottle.
Renewable Energy is a resource that has a continuing supply, such as sunlight, water, wind, and biomass. To be considered renewable, a resource must be supplied faster than it is used up.
is a resource that has a limited supply; once it is used up there is no more of it.
Fossil Fuels: coal, natural gas, and petroleum
Nuclear Energy
NOT TIDAL (depends on tides)
stored energy that has not yet been used, such as energy stored in the oil in the furnace, the built-up electron charge on your clothes, or the rubber band that is fully stretched.
When an object is moving. A faster-moving hammer has more kinetic energy when it hits a nail than a slower one.
When the potential energy is due to an object's position above the earth, such as how high a hammer is held, it is called gravitational potential energy.
GPE ---> kinetic, sound, thermal.
GET NEW LIGHTBULBS!
9% of the total energy goes to lighting the bulb, that's terrible! Bad efficiency.
is the process by which energy is transferred directly when materials touch each other. Conduction is a result of electron and atomic collisions inside the materials. Any solid, liquid or gas can transfer energy by conduction.
Insulation: Materials that are poor conductors and slow down the rate of energy movement
Apply a reflective film to the windows to reflect the sun's energy.
