solar cells convert what type of energy into electrical energy?
What is electromagnetic
100
A drawback of _________ energy is that it depends on the climate
What is solar energy
100
______ measures a change in temperature
What is calorimeter
200
________ is transferred by a force moving an object through a distance
What is energy
200
the total potential and kinetic energy of all the microscopic particles in an object make up its
What is thermal energy
200
the mechanical energy of an object equals its _______ & ____________
What is kinetic plus potential energy
200
Which is not mass transportation?
A. car
B. streetcar
C.train
D. bus
What is A
200
Disorder in the universe increases because work produces ______ _______, which leaves a system.
What is waste heat
300
The energy of motion is called ___________
What is kinetic energy
300
The gravitational potential energy of an object is always measure relative to the
What is reference level from which the height is measured.
300
The chemical energy stored in living things is referred to as
What is Biomass energy
300
Which of the following is a unit of temperature
A celsius
B joule
C kilogram
D calorie
What is A
300
the transfer of energy as waves moving through space is called ________
What is radiation
400
A 10-kg canoe is floating downriver at a speed of 5 m/s. What is the canoe's kinetic energy?
What is 125
400
Nuclear power plants are designed to convert nuclear energy into what type of energy?
What is electrical
400
Why are fossil fuels accounting for the majority of the worlds energy?
A. distributed evenly
B. nonpolluting
C. inexpensive and readily available
D. renewable energy resource
What is C
400
Matter is needed to transfer thermal energy by ____ and ______
What is conduction and convection
400
the speed of light equation is E=_______
What is mc2
500
Which is elastic potential energy?
A. a wind up toy that has been wound up
B. a compressed basketball
C. a stretched rubber band
D. All of the above
What is D. All of the above
500
the equation E=mc2 relates energy and ____
What is mass
500
In the formula Q=m x c x T which quantity represents specific heat?
What is c
500
The second law of thermodynamics states that thermal energy can flow from colder objects to hotter object only if _________ is done on the system
What is work
500
Which law of thermodynamics states that absolute zero can not be reached?