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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
energy
D
mechanical energy
2) When energy moves from one form to another is called _____________________.
A
energy
B
energy transformation
C
potential energy
D
kinetic energy
3) The transfer of heat by the movement of air currents in Earth's atmosphere is an example of ___.
A
convection
B
radiation
C
conduction
D
fusion
4) A light bulb transforms electrical energy to which type of energy?
A
potential energy
B
nuclear energy
C
mechanical energy
D
light energy
5) The energy related to the motion of an object is called ___.
A
potential energy
B
kinetic energy
C
wind energy
D
chemical energy
6) Which of the following occurs during an energy transformation?
A
new energy appears
B
matter is created from energy
C
energy changes form
D
energy disappears
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 coldness will move from the ice cube to the pan.
D
the heat will travel from the pan to the ice cube.
8) The law of conservation of energy states that ___.
A
energy changes to matter like chemicals
B
energy is totally lost
C
more energy is produced
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
heat energy
B
chemical energy to heat energy
C
heat energy to mechanical energy
D
sound energy to mechanical energy
10) Which of the following objects has potential energy?
A
a boulder at the edge of a cliff
B
a cat running across the yard
C
a ball rolling down a hill.
D
a car going down the street
11) Which of these is the best example of heat transfer by radiation?
A
puddles of water cool a warm tile floor
B
a satellite is warmed by sunlight
C
a ceiling fan cools a warm room
D
butter melts on warm bread
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, sound
B
chemical, electrical, light
C
electrical, chemical, light
D
electrical, light, sound
13) A flashlight battery is to light energy as a campfire is too ___.
A
electrical energy
B
nuclear energy
C
thermal energy
D
chemical energy
14) Heat energy is transferred from the hot end of a metal wire to the cool end through___.
A
conduction
B
convection
C
radiation
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
thermal to chemical
B
mechanical to chemical
C
chemical to mechanical
D
nuclear to mechanical
16) Potential energy refers to objects that are ___.
A
in motion
B
not in motion.
C
changing chemically
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
tides generating electricity
D
uranium producing heat to make steam
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
electrical energy to chemical energy
C
chemical energy to nuclear energy
D
nuclear energy to thermal energy
*select an answer for all questions
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