Types of Energy
the energy of heat transfer
EX: boiling water, stove, fire
Thermal
Name this Energy Transfer:
Plugging in a toaster
Electrical to Thermal
natural resources that can be replenished or reused quickly enough to keep up with consumption
Renewable Resource
a substance that is used up faster than it can be replaced, and its supply is finite.
Nonrenewable Resource
Which of these is an advancement in technology that improves our ability to harness and use energy more efficiently?
A. Burning coal
B. Clearing land
C. Solar panels
D. Smart phones
C. Solar Panels
energy that travels in waves and particles
EX: microwave, x-rays, sunlight
Radiant (Light)
Name this Energy Transfer:
Knocking on a door
Mechanical to Sound
This renewable resources uses water to push a turbine and creates electricity
Hydro Dam (Hydroelectric)
Give me 2 examples of Non renewable energy
Answers may vary
Which of the following best demonstrates how energy can be moved from place to place?
A. Planting seeds in a garden
B. Playing music on a stereo
C. Watching a sunset
D. Taking a nap
B. Playing music on a stereo
Energy an object has due to its motion or position
EX: swinging a bat, sound (vibrations), hydropower
Mechanical
Name this Energy Transfer:
Turning on your oven
Electrical to Thermal
Uses the wind (Mechanical) to push the propellers and generate electricity
Wind Turbine
Which nonrenewable energy source is used the most?
Petroleum 37%
Natural Gas 32%
Nuclear Electric Power 8%
Coal 11%
Petroleum
Students were asked to list two ways to conserve energy at home. Which student correctly listed two energy-saving actions?
A. Student 1:
- Leave the air conditioner on when leaving the room.
- Place the computer in sleep mode when it is not in use.
B. Student 2:
- Sleep with the television turned on.
- Turn off the fans when leaving the room.
C. Student 3:
- Keep the laptop plugged in when it is 100% charged.
- Turn off the air conditioner when leaving home.
D. Student 4:
- Turn off outdoor lights during the daytime.
- Wash clothes only when you have a full load and in the coolest water that will get them clean.
D. Student 4
the energy of flowing electrons
EX: static, lightning, television, powerlines
Electrical
Electrical to Radiant
Uses the sun to create electricty
Solar Energy (Solar Cell)
Which nonrenewable energy source is used the least?
Petroleum 37%
Natural Gas 32%
Nuclear Electric Power 8%
Coal 11%
Nuclear Electric Power
Which of the following is an example of work being done?
A. Pushing against a wall but the wall doesn't move.
B. Holding a heavy backpack while standing still.
C. Pulling a wagon across the yard.
D. Sitting at a desk and reading a book.
C. Pulling a wagon across the yard
The Law of conservation of energy is........
Energy cannot _______________________. However it can be ______________
be created or destroyed, transformed one form to another
Sharpening a pencil and then writing with it
Mechanical to Mechanical
What the disadvantages to trees, wind turbines and solar energy?
Wind: very noisy and can cause harm to birds
Trees: Loss of habitat for many animals
Solar: Cannot be used at night or on cloudy days
Fossil fuels are nonrenewable because they
- take a long period of time to form
- Can run out before they are available again
VIEW QUESTION 6 on Test
Student 1