WorksheetsUnit D Study Session
Total questions: 50
Worksheet time: 3590secs
Name
Class
Date
1.
When a pendulum swings, at which point is potential energy at its greatest
a)
1
b)
2
c)
3
d)
4
2.
At which point is potential energy greatest
a)
W
b)
X
c)
Y
d)
Z
3.
The gravitational potential energy stored between an object and Earth depends on
a)
The object's speed and height.
b)
The object's mass and speed.
c)
the object's size and weight.
d)
The object's height and weight.
4.
Gravitational potential energy depends on the ________ and ________ of the object.
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction
5.
Imagine dropping a basketball. When would it have the most gravitational potential energy?
a)
When it is closest to the ground
b)
When it is at the highest point
c)
When it is halfway down
d)
It has the same amount of gravitational PE at all points
6.
Energy cannot be destroyed.
a)
True
b)
False
7.
When something is dropped, what type of energy transfer takes place?
a)
Kinetic -> Potential
b)
Gravitational Potential -> Kinetic -> Sound
c)
Electrical -> Chemical
d)
Heat -> Nuclear
8.
Which energy transformation occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
d)
thermal to potential
9.
The Law of Conservation of Energy states:
a)
Energy can created or destroyed but not transformed
b)
Energy cannot be created or destroyed, it can only transformed
c)
Energy can't be created, destroyed or transformed
10.
At what position would a cyclist have the most potential energy?
a)
A
b)
B
c)
D
d)
F
11.
As height increases so does an objects ____________.
a)
potential energy
b)
kinetic energy
12.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________.
a)
created, destroyed
b)
changed,used up
c)
reused, recycled
d)
kinetic,potential
13.
What kind of energy transformation happens in a hair dryer?
a)
thermal to sound
b)
electrical to thermal, mechanical, and sound
c)
chemical to radiant, electrical, and mechanical
d)
radiant to chemical and sound
14.
Which tool is used to measure the heat energy in a classroom?
a)
A. Handlenses
b)
B. Clock
c)
C. Thermometer
d)
D. Net
15.
Which object is the best conductor of electricity?
a)
A ceramic mug
b)
A plastic fork
c)
A penny
d)
A wooden craft stick
16.
You are taking a cold soda on a field trip. You must choose from four containers in which to carry the soda. The four containers are made of different materials. Which container will most likely insulate the soda the best?
a)
Metal
b)
Styrofoam
c)
Glass
d)
Plastic
17.
Which statement is true about the picture?
a)
The metal pan causes the water to boil.
b)
The metal pan is a poor conductor of heat.
c)
The wooden handle is a good heat insulator.
d)
The wooden handle is a good heat conductor.
18.
In order to change a solid to a liquid, what kind of energy must be added?
a)
light
b)
mechanical
c)
sound
d)
thermal
19.
What is the definition of CONDUCTION?
a)
When heat is transferred from objects like rays of light or electromagnetically.
b)
a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.
c)
When heat transfers from objects that are touching.
d)
When heat transfers through the heater or AC in your house.
20.
This is an example of a(n)
a)
conductor of heat
b)
insulator
21.
The movement of thermal energy from a warmer object to a cooler object is called:
a)
heat
b)
temperature
c)
motion
d)
momentum
22.
Thermal energy stops moving when the objects have the same temperature.
a)
True
b)
False
23.
When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?
a)
Dependent
b)
Independent
c)
Control
d)
Compound
24.
Research Question: Does the type of gasoline put in a car effect how fast the car can drive. What is the independent variable?
a)
Type of gasoline
b)
which car the gas is put into
c)
how fast the car can drive
d)
how much gas is put into the car
25.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?
a)
Type of plant
b)
Water, apple juice, milk
c)
Plant growth
d)
Color of the plant's leaves
26.
What kind of circuit is this?
a)
series
b)
parallel
27.
The picture shows an electrical circuit. This circuit is a series circuit because:
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current is divided between the three light bulbs.
28.
In a parallel circuit if one light bulb goes OUT; then they ALL go out. TRUE OR FALSE?
a)
TRUE
b)
FALSE
29.
__________ is an energy resource that WILL run out in the next several hundred years.
a)
Renewable Energy Resource
b)
Nonrenewable Energy Resource
30.
Coal is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
31.
Nuclear Power is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
32.
Geothermal Power is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
33.
Why is solar energy considered a renewable energy source?
a)
You can get money back from the government if you put solar panels on your house
b)
solar energy is cheaper than fossil fuels
c)
The sun's energy will not run out for billions of years
d)
Solar energy can be used to recharge batteries
34.
Heat transfer always goes from-
a)
Cold to Hot
b)
Hot to Cold
c)
Heat doesn't transfer
d)
Freezing to Cold
35.
Which example below is an example of conduction?
a)
Boiling macaroni
b)
The attic is warmer than the basement
c)
The Sun heating the Earth
d)
Touching hot sand with your feet
36.
As you touch a hot stove the heat transfers -
a)
from your hand to the stove
b)
from the stove to your hand
c)
It doesn't transfer
37.
Which sentence explains why a cold metal spoon placed in a pot of boiling water becomes hot?
a)
Thermal energy is transferred from the spoon to the water.
b)
Thermal energy is transferred from the water to the spoon.
c)
Thermal energy in the water is transformed into kinetic energy in the spoon.
d)
Thermal energy in the spoon is transformed into kinetic energy in the water.
38.
When a popsicle melts, the particles _____.
a)
gain/absorbs thermal energy and speed up
b)
there are no particles in popsicles
c)
lose/release thermal energy and slow down
d)
stay the same
39.
Two balls of clay have the same temperature but different masses. Which ball has more thermal energy?
a)
The ball of clay with more mass
b)
The ball of clay with less mass
40.
A cell phone battery dies. It gets plugged into an electrical outlet to recharge. Which of the following energy transformations occur during the charging?
a)
mechanical to chemical
b)
electrical to solar
c)
chemical to light
d)
electrical to chemical
41.
Which skier will have a greater potential energy?
a)
Skier 1
b)
Skier 2
42.
Which of the following forms of energy are BEST represented by a lit light bulb?
a)
chemical, light and potential
b)
heat, kinetic and light
c)
electrical, kinetic and potential
d)
electrical, light and heat
43.
What does energy efficiency mean?
a)
Use less energy to provide the same service.
b)
An energy that could explode
c)
A source of light
d)
All of the above
44.
The ability to do work
a)
energy
b)
force
c)
work
d)
friction
45.
What is the energy conversion diagram for a campfire?
a)
chemical -> mechanical and light
b)
nuclear -> heat and light
c)
chemical -> heat and light
d)
mechanical -> chemical and light
46.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
47.
It is calculated that cell phone transforms electrical energy into 20% light, 30% sound, 10% motion (vibration), and 40% thermal energy. What is the efficiency of this phone?
a)
20%
b)
30%
c)
60%
d)
40%
48.
It is calculated that a halogen light bulb transforms electrical energy into 9% light and 91% thermal energy. What is the efficiency of this bulb?
a)
100%
b)
9%
c)
91%
d)
50%
49.
It is calculated that a gasoline powered car transforms chemical energy into 30% mechanical (motion) energy, 65% thermal energy, and 5% sound. What is the efficiency of this car?
a)
95%
b)
30%
c)
100%
d)
35%
50.
It is calculated that a compact fluorescent light bulb transforms electrical energy into 20% light and 80% thermal energy. What is the efficiency of this bulb?
a)
100%
b)
80%
c)
10%
d)
20%
100 %
