WorksheetsEnergy and Heat Review
Total questions: 39
Worksheet time: 48mins
Name
Class
Date
1.
Which energy conversion is taking place when you put gasoline in a car?
a)
thermal -> electrical
b)
mechanical -> electrical
c)
chemical -> mechanical
d)
mechanical -> electromagnetic
2.
Which energy transformation occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
d)
thermal to potential
3.
A battery converts what type of energy to another?
a)
sound to kinetic
b)
light to heat
c)
mechanical to electrical
d)
chemical to electrical
4.
Energy transformations occur when...
a)
energy is created through conduction
b)
energy changes from one form to another
c)
two forces slide together that are touching
d)
a chemical reaction takes place
5.
The roller coaster cart has the most gravitational potential energy at position-
a)
W
b)
X
c)
Y
d)
Z
6.
Which items would have this energy transformation: chemical energy -> mechanical energy?
a)
person running
b)
candle burning
c)
windmill turning
d)
playing a violin
7.
The diagram shows a complete circuit with a battery and a buzzer making noise. This circuit works by transforming -
a)
chemical energy to electrical to sound.
b)
electrical energy to thermal to light.
c)
sound energy to electrical to chemical.
d)
mechanical energy to electrical to sound.
8.
"Energy can be transformed from one form into another or transformed from one region or another, but energy cannot be created or destroyed."
Which law is this?
Which law is this?
a)
Law of Conservation of Mass
b)
Newton's Second Law
c)
Law of Conservation of Energy
d)
Newton's Third Law
9.
Which of the following converts chemical energy to thermal energy?
a)
Battery
b)
Person riding a bike
c)
Automobile
d)
Camp Fire
10.
Where is the potential energy the greatest?
a)
A
b)
B
c)
C
d)
D
11.
Which of these is not a source of chemical energy?
a)
Spaghetti
b)
The Sun
c)
Battery
d)
Petroleum
12.
Any form of energy can change into _____ other form of energy.
a)
any
b)
two
c)
one
d)
uno
13.
A television works by transforming electrical energy into what other kinds of energy?
a)
light, thermal and sound
b)
thermal, chemical and solar
c)
sound, mechanical and electrical
d)
light, chemical and mechanical
14.
The chocolate bunny and the iron.
a)
conduction
b)
convection
c)
radiation
15.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
16.
The chocolate bunny and the blow dryer.
a)
conduction
b)
convection
c)
radiation
17.
The chocolate bunny and the lamp.
a)
conduction
b)
convection
c)
radiation
18.
Transfer of thermal energy through "space"
a)
conduction
b)
convection
c)
radiation
19.
Transfer of thermal energy through "flow"
a)
conduction
b)
convection
c)
radiation
20.
Near the ceiling of a room the air is warmer. The warm air rises because of
a)
conduction
b)
convection
c)
radiation
21.
You get sunburned due to __________ from the sun.
a)
conduction
b)
convection
c)
radiation
22.
You're holding hands with your best friend. Your friend's hands are REALLY warm and yours are really cold. After a few minutes, this has changed. How might you explain what happened?
a)
The cold energy from your hand transferred to your friend's hand through conduction.
b)
The heat energy from your friend's hand transferred to your hand through conduction.
c)
The cold energy from your hand transferred to your friend's hand through convection.
d)
The heat energy from your friend's hand transferred to your hand through convection.
23.
This is a lava lamp. When the light bulb heats the wax, the wax rises. When the wax cools, it falls. This cycle of rising/falling is an example of:
a)
Conduction.
b)
Convection.
c)
Radiation.
24.
The Gulf Stream is a current that brings warm ocean water from the south to the north. What type of heat transfer is this?
a)
conduction
b)
convection
c)
radiation
d)
Insolation
25.
Ironing a shirt is an example of...
a)
condensation
b)
conduction
c)
convection
d)
radiation
26.
The molecules in the picture are tightly held together with little movement. They have shape and energy. Therefore, the picture represents _________.
a)
solid
b)
liquid
c)
gas
d)
plasma
27.
Molecules move quickest in which state of matter
a)
solid
b)
liquid
c)
gas
d)
solid, liquid and gas
28.
Molecules are closest together in a
a)
Solid
b)
Liquid
c)
Gas
d)
plasma
29.
If the tops were removed from the cylinders, the following would happen:
a)
The solid would fly out of the container
b)
The liquid would fly out of the container.
c)
The gas would fly out of the container.
d)
They ALL would fly out of the container.
30.
Which of the following statements is NOT true of all different types of matter?
a)
They are made of atoms and molecules
b)
The particles are always in motion
c)
The particles always move at the same speed
d)
They are made of particles that are too small to see
31.
Apply: Due to the molecular structure of a ________________, sound travels the fastest through it.
a)
solid
b)
liquid
c)
gas
32.
Apply: Light moves the fastest in a ____________ because the molecules are _______________________.
a)
gas, tightly packed together
b)
gas, far apart
c)
liquid, loose and flowy
d)
solid, tightly packed together
33.
What can happen when heat is added to a state of matter?
a)
ice cream will melt
b)
water will boil
c)
gas expands
d)
all of the above
34.
What happens when heat is removed from a state of matter.
a)
molecules speed up
b)
molecules slow down
c)
the temperature stays the same
d)
the temperature increases
35.
Liquids have a __________ volume and ___________ shape.
a)
Definite, Definite
b)
Definite, Indefinite
c)
Indefinite, Definite
d)
Indefinite, Indefinite
36.
At what temperature is this substance melting?
a)
50C
b)
100C
c)
0C
37.
The temperature at which a substance in the liquid state freezes is the same as the temperature at which the substance_________-
a)
melts
b)
sublimes
c)
boils
d)
condenses
38.
What is happening to the particles in the substance between points D and E?
a)
Melting
b)
Freezing
c)
Vaporizing
d)
Sublimating
39.
Use the graph below to answer this question. What state of matter would the substance be at point F?
a)
solid
b)
liquid
c)
gas
100 %
