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GiANt ENeRgY ReViEW

Total questions: 45

Worksheet time: 2hrs 30mins

Name
Class
Date
1.
1. What is the ability to do work?
a)
Energy
b)
Kinetic energy
c)
Potential energy
d)
Energy forms
2.
What is the transfer of heat by the circulation or movement of liquids and gases?
a)
Conduction
b)
Convection
c)
Radiation
d)
Energy 
3.
What is the transfer of heat from one substance to another through direct contact?
a)
Conduction
b)
Convection
c)
Radiation
d)
Energy
4.
What is the transfer of heat through matter or space as waves?
a)
Conduction
b)
Convection
c)
Radiation
d)
Energy
5.

Energy associated with the motion of the particles in a substance.

a)

thermal energy

b)

electrical energy

c)

chemical energy

d)

solar energy

6.

A material that transfers heat well

a)

Insulator

b)

Conductor

7.
Heat is the movement of ______.
a)
radiation
b)
thermal energy
c)
cold
d)
fire
8.
Expand means . . .
a)
to make something bigger
b)
to make something smaller
9.

Contract means . . .

a)

to make something bigger

b)

to make something smaller

10.

What is the energy transformation that occurs in an electric pencil sharpener?

a)

mechanical energy to electrical energy

b)

electrical energy to mechanical energy

c)

radiant energy to sound energy

d)

chemical energy to mechanical energy

11.

When a car burns gasoline it creates hot air to move the pistons in the engine, which causes the car to move. What energy transformation occur from the fuel to the movement of a car?

a)

thermal energy to mechanical energy

b)

thermal energy to chemical energy to mechanical energy

c)

chemical energy to thermal energy to mechanical energy

d)

chemical energy to electrical energy

12.

The roller coaster cart has the most kinetic energy at position-

a)

W

b)

X

c)

Y

d)

Z

13.
A hairdryer converts -- 
a)
electrical energy into chemical
b)
electrical energy into thermal
c)
chemical energy into mechanical
d)
thermal energy into mechanical
14.

What type of energy transformation happens in hydro-electric power?

a)

kinetic to potential

b)

sound to mechanical

c)

chemical to electrical

d)

mechanical to electrical

15.
A swing has potential energy if _____________.
a)
it is in motion
b)
it is swinging backward
c)
it is sitting still
d)
it is spinning
16.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
17.
What is the energy of motion that depends on speed and mass?
a)
Energy
b)
Kinetic energy
c)
Potential energy
d)
Chemical energy
18.
An insulator is a material that:
a)
Transfers thermal and electrical energy
b)
Transfers electrical energy and slows thermal energy
c)
Slows electrical energy and allows thermal energy to pass
d)
Slows thermal and electrical energy from transfering
19.
A great conductor of energy is:
a)
wood
b)
plastic
c)
metal
d)
cloth
20.
What is NOT an example of an insulator in the kitchen?
a)
An oven mitt
b)
Pots and pans
c)
A wooden spoon
d)
A plastic measuring cup
21.
The plastic covering is there to:
a)
Provide a conductor for electrical energy to flow.
b)
Provide an insulator so that electrical energy will not pass outside of the wires.
c)
Provide a conductor so that electrical energy can NOT flow.
d)
Provide an insulator so that electrical energy can flow.
22.
The metal copper is there to:
a)
Provide a conductor for energy to flow from one place to another.
b)
Provide an insulator for energy to flow from one place to another.
c)
Provide an insulator to slow the flow of energy.
d)
Provide a conductor so slow the flow of energy.
23.
We measure ______ with Celsius or Fahrenheit degrees.
a)
Temperature
b)
Thermometer
c)
Barometer
24.
Why does a metal lawn chair get hot in the sun when the grass sitting in the same sunlight remains cool to the touch?
a)
Heat travels easily through plants but not metals.
b)
Heat travels easily through both plants and metals.
c)
Heat travels easily through metal objects but not through plants.
25.
When you use a microwave, what is the main way that heat is transferred?
a)
Convection
b)
Conduction
c)
Radiation
26.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
d)
It can travel high to low and low to high. 
27.
A cup of tea with a temperature of 80 degrees Celsius is placed on a table in a 20 degree Celsius room.  What happens to the thermal energy and the molecular motion of the tea when it is left on the table?
a)
The thermal energy increases and the molecules move faster.
b)
The thermal energy decreases and molecules move more slowly.
c)
The thermal energy increases and the molecules move more slowly.
28.

Everything has thermal energy

a)

False

b)

True

29.

All matter is made up of atoms that are constantly moving

a)

True

b)

False

30.

Hot things have ____________ thermal energy than cold things

a)

more

b)

less

c)

same

d)

potato

31.

Cold things often have a _________ kinetic energy because_______

a)

lower; particles are moving around less

b)

lower; particles are moving around more

c)

higher; particles are moving around the same

d)

higher; particles do not move

32.

What happens to the molecules inside bridges when temperature increases? Why are there joints in these structure?

a)

Molecules move more and the joints prevent the molecules from hitting each other

b)

Molecules move less and the joints shrink in size

c)

Molecules move more and the joints allow them room to expand without breaking the bridge

d)

Molecules are not affected by temperature

33.
The liquid in a thermometer ______________ as the temperature increases.
a)
expands
b)
disappears
c)
freezes
d)
explodes
34.
An increase in the volume of a substance when the temperature increases is called ___________________________________.
a)
kinetic energy
b)
thermal expansion
c)
temperature
d)
heat
35.
Which material is the best conductor of heat?
a)
glass
b)
styrofoam
c)
metal
d)
wood
36.
The sun warming your skin is an example of heat transfer through 
a)
conduction
b)
convection
c)
radiation
d)
thermal electricity
37.

What happens to the temperature if I add ice cubes to a glass of soda

a)

The heat transfers from the coke to the ice

b)

The heat transfers from the ice to the coke

38.
When holding a cup of ice water, your warm hand becomes cold. How does the heat transfer?
a)
From the cold cup to your hand
b)
From the cold cup to the warm air
c)
From the ice to your hand
d)
From your warm hand to the cold cup.
39.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
40.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
41.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
42.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
43.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
44.

The picture shows what type of transformation

a)

Electrical to mechanical

b)

light to electric

c)

electrical to light

d)

light to light

45.
What is energy transformation?
a)
a change of energy from one form to another
b)
when energy gets more energy added to it
c)
when energy gets destroyed
d)
a change in intensity

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