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Energy Transformations
Test Description: Energy and how energy transforms from one form to another.
Instructions: Answer all questions to get your test result.
1) What is the ability to do work called?
A
force
B
potential energy
C
mechanical energy
D
energy
2) When energy moves from one form to another is called _____________________.
A
energy transformation
B
potential energy
C
kinetic energy
D
energy
3) The transfer of heat by the movement of air currents in Earth's atmosphere is an example of ___.
A
radiation
B
conduction
C
fusion
D
convection
4) A light bulb transforms electrical energy to which type of energy?
A
potential energy
B
mechanical energy
C
light energy
D
nuclear energy
5) The energy related to the motion of an object is called ___.
A
kinetic energy
B
wind energy
C
chemical energy
D
potential energy
6) Which of the following occurs during an energy transformation?
A
energy disappears
B
energy changes form
C
matter is created from energy
D
new energy appears
7) An ice cube is placed into a hot pan that is sitting on the counter top. How will the heat energy move?
A
the coldness will move from the pan to the ice cube.
B
the heat will move from the ice cube to the pan.
C
the heat will travel from the pan to the ice cube.
D
the coldness will move from the ice cube to the pan.
8) The law of conservation of energy states that ___.
A
more energy is produced
B
energy changes to matter like chemicals
C
energy is totally lost
D
energy changes form, but is not lost or gained
9) Steve has a pinwheel. While helping his mom with dinner, he discovered that the steam produced when boiling water makes the pinwheel spin. Which energy transformation describes how the pinwheel moves?
A
sound energy to mechanical energy
B
chemical energy to heat energy
C
heat energy to mechanical energy
D
heat energy
10) Which of the following objects has potential energy?
A
a boulder at the edge of a cliff
B
a ball rolling down a hill.
C
a cat running across the yard
D
a car going down the street
11) Which of these is the best example of heat transfer by radiation?
A
butter melts on warm bread
B
a ceiling fan cools a warm room
C
puddles of water cool a warm tile floor
D
a satellite is warmed by sunlight
12) Two friends watch a movie on a computer. The computer runs on battery power. What energy conversion is occurring from the battery to the light being given off by the computer?
A
chemical, electrical, light
B
electrical, light, sound
C
chemical, electrical, sound
D
electrical, chemical, light
13) A flashlight battery is to light energy as a campfire is too ___.
A
thermal energy
B
chemical energy
C
electrical energy
D
nuclear energy
14) Heat energy is transferred from the hot end of a metal wire to the cool end through___.
A
radiation
B
convection
C
conduction
D
reflection
15) Gasoline is the fuel the car uses. Which of the following describes the energy conversion from gasoline to the movement of a car?
A
chemical to mechanical
B
nuclear to mechanical
C
mechanical to chemical
D
thermal to chemical
16) Potential energy refers to objects that are ___.
A
changing chemically
B
in motion
C
not in motion.
D
cahnging electrically
17) Which process best shows the conversion of solar energy to chemical energy?
A
prevailing winds causing windmills to spin
B
green plants making their own food
C
uranium producing heat to make steam
D
tides generating electricity
18) Nuclear reactions can split the bonds between atoms to produce energy. If the energy produced in this reaction is used to turn water into steam, what kind of energy transformation has occurred?
A
thermal energy to light energy
B
chemical energy to nuclear energy
C
electrical energy to chemical energy
D
nuclear energy to thermal energy
*select an answer for all questions
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