WorksheetsUnit 2.1 Study Guide
Total questions: 44
Worksheet time: 31mins
Which letter shows where is potential energy stored or at its maximum point?
Y
W
X
Z
Kinetic energy depends on_________ and _________.
speed and mass
speed and height
height and mass
energy and height
Where is kinetic energy at its minimum?
Z
W
X
Y
Which of the following statements about a skier skiing down a steep slope is true?
His kinetic energy decreases and his potential energy increases
His potential energy decreases and his kinetic energy increases
His chemical energy increases
Both his potential and kinetic energy increases
The faster an object moves, the ________ kinetic energy it has.
more
less
What numbers show potential energy on this pendulum?
1 and 5
1 and 4
2 and 3
3 and 4
When stored energy begins to move the object______ energy from _______ to _________.
energy, force, motion
transfers, kinetic, potential
forces, mechanical, nuclear
transfers, potential,kinetic
The law of Conservation of energy states that energy can be transformed from one form to another, but it cannot be _______ or ________
transformed, or created
divided or multiplied
radiated or conducted
created or destroyed
An ice cube melts when you hold it in your hand.
Conduction
Convection
Radiation
Which best describes the flow of heat?
A. From a larger object to a smaller object
From a cooler object to a warmer object
From a warmer object to a cooler object
From a warmer object to a warmer object
You feel hot after reading for a long time under a lamp.
Conduction
Convection
Radiation
Near the ceiling of a room the air is warmer. The warm air rises because of
conduction
convection
radiation
As an object's height increases, it's potential energy will:
decrease
stay the same
increase
none of the above
Heat transfer always moves ...
cold to hot
east to west
hot to cold
north to south
Some dye in a beaker of water is gently heated. Why are the streaks of dye seen in the water?
The hot dye is a better conductor than the cool water.
The hot dye is a better convector than the cool water.
The hot water is less dense than the cool water.
The hot water is denser than the cool water.
By which process is thermal energy transferred through a vacuum?
conduction only
convection only
conduction and convection only
radiation only
___________________ are materials that ALLOW heat and electricity to move easily through them.
Conductors
Insulators
Heating food in a microwave oven.
Conduction
Convection
Radiation
The more heat the more the particles...
Stay in a fixed psoition
Vibrate
The candle will slowly heat the metal and transfer the heat directly to the mans hand. This is an example of _?_.
conduction
convection
radiation
Which of the following describes Radiation?
The transfer of heat through liquids and gases
The transfer of heat through electromagnetic waves (rays)
The transfer of heat between two objects in direct contact with one another
Which of the following examples represents Radiation?
A person holding a hot cup of coffee
A pot of boiling water
A person warming their hands above a fire
When your body takes the chemical energy in food and transforms it so you can move, what type of energy did it transform it into?
potential energy
nuclear energy
mechanical energy
radiant energy
A rubber band that is pulled back waiting to "fly" has what type of energy?
chemical potential
electrical potential
gravitational potential
elastic potential
The law of Conservation of energy states that energy can be transformed from one form to another, but it cannot be _______ or ________
transformed, or created
divided or multiplied
radiated or conducted
created or destroyed
If you exclude friction; the total energy in a swinging pendulum equals the
kinetic energy - potential energy
kinetic energy + potential energy
kinetic energy / potential energy
kinetic energy x potential energy
Which letter shows the ball when it has THE MOST kinetic energy?
B
C
D
E
F
Which letter shows the ball when it has THE LEAST kinetic energy?
A
B
C
F
G
Which letter shows the ball when it is moving the fastest?
B
C
D
E
F
What happens to the PEg of a rock that sits on the edge of a cliff as it starts to fall?
The rock loses PEg and gains KE.
The rock loses KE and gains PEg.
The rock retains all its PEg and gains KE
The rock retains both PEg and KE
What happens when the ball goes from the highest position to the lowest position
PE and KE increases and decreases together
Impossible to know without knowing the mass of the object
the PE decreases while KE increases
At which point in the picture must the cart have the most MECHANICAL energy?
Point 1
Point 2
Point 3
They would all be the same
A microwave oven changes ____________ energy to radiant energy to __________ energy.
electrical, kinetic
potential, kinetic
potential, thermal
electrical, thermal
Suppose you are shooting a basketball toward a hoop. As the ball rises in the air, its __________ energy increases and its __________ energy decreases.
potential, kinetic
kinetic, potential
friction, kinetic
potential, friction
The flame of the candle will slowly transfer the heat to the metal rod through waves without touching it. This is an example of _?_.
conduction
convection
radiation
