Which form of energy is represented by the arrow in this image?
What is KINETIC?
Which energy transformations are happening in this image? ___ to ___ to ___
What is Electrical to Radiant to Thermal?
What percentage of energy sources used in the U.S. are derived from fossil fuels, according to the data shown here?
What is 85%?
As energy transformations occur within a system, the total energy of the system _____.
What is "remains constant"?
Which is a device that transforms kinetic energy into electrical energy?
What is a GENERATOR?
Which best describes how long fossil fuels take to form? decades, hundreds, thousands, or millions of years
What are millions of years?
Which is NOT a form of potential energy?
gravitational, elastic, chemical, thermal
What is THERMAL?
In what situation can energy be created or destroyed?
What is NEVER?
The fossil fuels we burn today come from ancient organisms that originally carried out which energy transformation? ___ to ___
What is Radiant to Chemical?
Which is the ability to cause change?
What is ENERGY?
What energy transformation does friction cause? __ to __
What is Mechanical to Thermal?
Which is the correct sequence of steps in an electric power plant?
from ___ to ___ to ___
What is "from the energy source to the turbine, and to the generator"?
Energy is the ability to cause ________.
What is CHANGE?
Which type of energy is the "waste energy" generated when energy is used?
What is THERMAL ENERGY?
Which feature of fossil fuels is most closely linked with global warming?
What is "Burning fossil fuels produces carbon dioxide."?
Which of the following objects has kinetic energy?
a. a bicycle parked at the top of a hill
b. a ball rolling across the floor
c. leaves lying on the ground beneath a tree
What is B - a ball rolling across the floor?
Which of the following is used to produce the greatest amount of electrical energy in the United States?
What is COAL?
Almost all the energy that we use can be traced back to which source?
What is the SUN?
What happens to your energy when you move a heavy box?
What is "Some of it is transferred into the energy of the box"?
What energy transformation occurs when brakes are used on a bicycle? ___ to ___
What is Kinetic to Thermal?
What does this image illustrate?
What is "kinetic energy from water turning a turbine"?
What two factors determine how much kinetic energy an object has? __ and __
What are Speed and Mass?
An energy source that will eventually run out is called a(n) __________ resource.
What is NONRENEWABLE?
What type of energy transformation occurs during photosynthesis in plants? __ to __
What is radiant to chemical?
Which type of energy is due to the motion of particles within an object?
What is THERMAL?
What causes the energy transformation that occurs when the brake pads on a bicycle squeeze on the wheel rim and stop the bicycle?
What is FRICTION?
Which renewable energy source is most likely to produce pollutants when used?
What is BIOMASS?
What two factors determine how much potential energy an object has? __ and __
What are Position and Mass?
Hydropower utilizes __________ to generate electricity.
What is WATER?
___ ___ is the sum of the kinetic and potential energy of an object due to the random motion of the particles.
What is THERMAL ENERGY?
What type of energy is represented here?
What is a chemical potential?
During energy transformations, energy is never __________.
What is created or destroyed?
Lightning is an example of what type of energy?
What is ELECTRICAL?
Which energy is the type of energy light has?
What is RADIANT?
Gasoline is an energy source that is made from __________.
What is PETROLEUM?
Which has the most potential energy?
a. a four-pound brick three feet off the ground
b. a four-pound brick five feet off the ground
c. a four-pound brick seven feet off the ground
What is C - a four-pound brick seven feet off the ground?