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Science
ENERGY
Chapter 20
In your body ______
speed up the cell process.
a)
b)
c)
d)
Conductors
Enzymes
Insulators
Chemical bonds
In your body ______
speed up the cell process.
a)
b)
c)
d)
Conductors
Enzymes
Insulators
Chemical bonds
The motion of atoms in all
directions in solids, liquids,
and gases is called ______.
a)
b)
c)
d)
Radiation
Convection
Random motion
magnetism
The motion of atoms in all
directions in solids, liquids,
and gases is called ______.
a)
b)
c)
d)
Radiation
Convection
Random motion
magnetism
The spring inside a moving
wind-up toy has ________.
a)
b)
c)
d)
Potential energy only
Kinetic energy only
Both potential and kinetic energy
Neither potential nor kinetic energy
The spring inside a moving
wind-up toy has ________.
a)
b)
c)
d)
Potential energy only
Kinetic energy only
Both potential and kinetic energy
Neither potential nor kinetic energy
Radiation involves the
transfer of energy by
_______.
a)
b)
c)
d)
Particle collisions
Waves
Air flow
Temperature differences
Radiation involves the
transfer of energy by
_______.
a)
b)
c)
d)
Particle collisions
Waves
Air flow
Temperature differences
Cooking pans have handles
made of materials that are
______ of heat.
a)
b)
c)
d)
Conductors
Insulators
Transformations
transmitters
Cooking pans have handles
made of materials that are
______ of heat.
a)
b)
c)
d)
Conductors
Insulators
Transformations
transmitters
Heat is _______ by food as
it cooks.
a)
b)
c)
d)
Absorbed
Transferred
Charged
energized
Heat is _______ by food as
it cooks.
a)
b)
c)
d)
Absorbed
Transferred
Charged
energized
Which of the following
statements describes the
flow of heat?
a)
b)
c)
d)
Energy move from a warmer object to a cooler object
Energy moves from a cooler object to a warmer object
Energy move only between two warm objects
Energy never moves through cooler objects
Which of the following
statements describes the
flow of heat?
a)
b)
c)
d)
Energy move from a warmer object to a cooler object
Energy moves from a cooler object to a warmer object
Energy move only between two warm objects
Energy never moves through cooler objects
Which of the following is
NOT a good conductor of
heat?
a)
b)
c)
d)
Air
Aluminum
Cooper
None of the above
Which of the following is
NOT a good conductor of
heat?
a)
b)
c)
d)
Air
Aluminum
Cooper
None of the above
Which of the following is a
heat transfer when particles
move from one place to
another
a)
b)
c)
d)
Conduction
Convection
Thermal reaction
temperature
Which of the following is a
heat transfer when particles
move from one place to
another
a)
b)
c)
d)
Conduction
Convection
Thermal reaction
temperature
What causes an endothermic
reaction in a cake?
a)
b)
c)
d)
Heat
Flour
Baking soda
Baking powder
What causes an endothermic
reaction in a cake?
a)
b)
c)
d)
Heat
Flour
Baking soda
Baking powder
What is the freezing point
on the Fahrenheit scale?
a)
b)
c)
d)
-20
0
12 
32 
What is the freezing point
on the Fahrenheit scale?
a)
b)
c)
d)
-20
0
12 
32 
At 0  on the Celsius
temperature scale,
_________.
a)
b)
c)
d)
Water boils
Water freezes
All particle motion stops
All chemical bonds are broken
At 0  on the Celsius
temperature scale,
_________.
a)
b)
c)
d)
Water boils
Water freezes
All particle motion stops
All chemical bonds are broken
What type of energy is
absorbed by food as it
cooks?
a)
b)
c)
d)
Chemical energy
Light energy
Thermal energy
Electric energy
What type of energy is
absorbed by food as it
cooks?
a)
b)
c)
d)
Chemical energy
Light energy
Thermal energy
Electric energy
An example of heat transfer
by convection is the
_________.
a)
b)
c)
d)
Melting of ice
Formation of air currents
Formation of chemical bonds
Heating of the ground by sunlight
An example of heat transfer
by convection is the
_________.
a)
b)
c)
d)
Melting of ice
Formation of air currents
Formation of chemical bonds
Heating of the ground by sunlight
The total amount of energy
in the universe ___________.
a)
b)
c)
d)
Is always increasing
Remains the same
Is always decreasing
Varies from moment to moment
The total amount of energy
in the universe ___________.
a)
b)
c)
d)
Is always increasing
Remains the same
Is always decreasing
Varies from moment to moment
An example of exothermic
reaction is __________.
a)
b)
c)
d)
Photosynthesis
The boiling of water
The explosion of dynamite
The formation of water from oxygen and hydrogen
An example of exothermic
reaction is __________.
a)
b)
c)
d)
Photosynthesis
The boiling of water
The explosion of dynamite
The formation of water from oxygen and hydrogen
Which of the following
scientists described the law
of conservation of energy?
a)
b)
c)
d)
Celsius
Joule
Kelvin
Fahrenheit
Which of the following
scientists described the law
of conservation of energy?
a)
b)
c)
d)
Celsius
Joule
Kelvin
Fahrenheit
What increases as the speed
of an object increases?
a)
b)
c)
d)
Kinetic energy
Mass
Nuclear energy
Potential energy
What increases as the speed
of an object increases?
a)
b)
c)
d)
Kinetic energy
Mass
Nuclear energy
Potential energy
Which of the following kinds
of chemical reactions absorb
energy?
a)
b)
c)
d)
Exothermic
Endothermic
Catalysts
thermals
Which of the following kinds
of chemical reactions absorb
energy?
a)
b)
c)
d)
Exothermic
Endothermic
Catalysts
thermals
When would you have the
most potential energy?
a)
b)
c)
d)
Walking up the hill
Sitting at the top of the hill
Running up the hill
Sitting at the bottom of the hill
When would you have the
most potential energy?
a)
b)
c)
d)
Walking up the hill
Sitting at the top of the hill
Running up the hill
Sitting at the bottom of the hill
How is energy from the
sun transferred to Earth?
a)
b)
c)
d)
Conduction
Convection
Radiation
Insulation
How is energy from the
sun transferred to Earth?
a)
b)
c)
d)
Conduction
Convection
Radiation
Insulation
During an energy transfer,
what happens to the total
amount of energy?
a)
b)
c)
d)
It increases
It decreases
It stays the same
It depends on the energy form being transferred
During an energy transfer,
what happens to the total
amount of energy?
a)
b)
c)
d)
It increases
It decreases
It stays the same
It depends on the energy form being transferred
What happens if two objects
at different temperatures are
touching?
a)
b)
c)
d)
Heat moves from the warmer object
Heat moves from the cooler object
Heat moves to the warmer object
No heat transfer takes place
What happens if two objects
at different temperatures are
touching?
a)
b)
c)
d)
Heat moves from the warmer object
Heat moves from the cooler object
Heat moves to the warmer object
No heat transfer takes place
Which of the following
correctly describes energy?
a)
b)
c)
d)
Energy can be created
Energy can be destroyed
Energy cannot change form
Energy can cause change
Which of the following
correctly describes energy?
a)
b)
c)
d)
Energy can be created
Energy can be destroyed
Energy cannot change form
Energy can cause change