| Energy Transformations | Energy Transfers | Energy Generation Types | Energy Types | SURPRISE! |
| 10 | 10 | 10 | 10 | 10 |
| 20 | 20 | 20 | 20 | 20 |
| 30 | 30 | 30 | 30 | 30 |
| 40 | 40 | 40 | 40 | 40 |
| 50 | 50 | 50 | 50 | 50 |
| Final Question | ||||
What does it mean for energy to transform?
What does it mean for energy to transform?
For energy to change from one type to another.
What transformation occurs when you plug in a lightbulb?
What transformation occurs when you plug in a lightbulb?
Electric ----> Light
How does energy transform on a roller coaster?
How does energy transform on a roller coaster?
Energy transforms from GPE to Kinetic (sound and thermal). This is an ongoing transformation.
Describe the energy transformation that took place when we completed the lab 'Shake the Shot'.
Describe the energy transformation that took place when we completed the lab 'Shake the Shot'.
Kinetic ----> Thermal (some sound too)
Describe the Law of Conservation of Energy.
Describe the Law of Conservation of Energy.
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).
Describe how energy transfers when a hammer hits a nail.
Describe how energy transfers when a hammer hits a nail.
The energy moves from the hammer to the nail.
What does it mean for energy to TRANSFER?
What does it mean for energy to TRANSFER?
For energy to move from one place to another.
Describe how energy transfers through a circuit.
Describe how energy transfers through a circuit.
Energy moves from the battery, through the wires, to the lightbulb.
How can someone transfer the most amount of energy when two objects have the same mass?
How can someone transfer the most amount of energy when two objects have the same mass?
Hold the object higher up or give it more GPE.
Describe how energy transfers when you hold a cold water bottle to your hot forehead.
Describe how energy transfers when you hold a cold water bottle to your hot forehead.
The energy transfers from your warm head to the cold bottle, which cools you down and heats up the water bottle.
What does renewable energy mean?
What does renewable energy mean?
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.
What is a non-renwable resource?
What is a non-renwable resource?
is a resource that has a limited supply; once it is used up there is no more of it.
List 2 non-renewable energies.
List 2 non-renewable energies.
Fossil Fuels: coal, natural gas, and petroleum
Nuclear Energy
List 3 renewable energies.
List 3 renewable energies.
- Solar
- Wind
- Geothermal
- Hydroelectric
- Tidal Hardness
- Biomass
What kind of renewable electricity generation would you suggest for a city that is near a river, sunny, and windy? Make 2 suggestions.
What kind of renewable electricity generation would you suggest for a city that is near a river, sunny, and windy? Make 2 suggestions.
- Wind Power (windy city)
- Solar Power (sunny city)
- Hydroelectric (near a river)
NOT TIDAL (depends on tides)
Describe potential energy and give an example.
Describe potential energy and give an example.
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.
Describe kinetic energy and give an example.
Describe kinetic energy and give an example.
When an object is moving. A faster-moving hammer has more kinetic energy when it hits a nail than a slower one.
Describe Gravitational Potential Energy and give an example.
Describe Gravitational Potential Energy and give an example.
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.
Give 3 examples of chemical potential energy.
Give 3 examples of chemical potential energy.
- Food
- Battery
- Oil/Gas
Describe the energy transformation that takes place wiht water falling from a waterfall.
Describe the energy transformation that takes place wiht water falling from a waterfall.
GPE ---> kinetic, sound, thermal.
What is the fastest and easiest way to make your home more energy efficient?
What is the fastest and easiest way to make your home more energy efficient?
GET NEW LIGHTBULBS!
If the efficiency of a lightbulb is 9%, what does this mean?
If the efficiency of a lightbulb is 9%, what does this mean?
9% of the total energy goes to lighting the bulb, that's terrible! Bad efficiency.
What is conduction? Give an example of a conductor.
What is conduction? Give an example of a conductor.
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.
- Examples of Conductors: Copper and aluminum
What is insulation? Give an example of a good insulator.
What is insulation? Give an example of a good insulator.
Insulation: Materials that are poor conductors and slow down the rate of energy movement
- Examples of Insulators: Wood, wool, and paper
Describe what you would do to a home's windows in sunny Florida to help keep it cooler.
Describe what you would do to a home's windows in sunny Florida to help keep it cooler.
Apply a reflective film to the windows to reflect the sun's energy.
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