WorksheetsPASS Day 2 - Energy
Total questions: 30
Worksheet time: 2hrs 24mins
Name
Class
Date
1.
Force
a)
A push or pull that causes an object to move, stop, or change direction.
b)
A change in position or location
c)
Where an object is located in space.
d)
A line or course along which something is moving.
2.
Which of these is NOT an example of a bicycle using mechanical energy?
a)
The pedals, gears, and chain turn the wheels.
b)
The wheels turn when the bicycle moves.
c)
The front wheel guides the bicycle when it moves.
d)
The reflector allows the bicycle to be seen at night.
3.
A push or a pull that can move an object is a __________.
a)
gear
b)
lever
c)
force
d)
machine
4.
Dependent Variable
a)
the part of the experiment that changes because of the independent variable, you observe or measure this part to collect data
b)
the part of the experiment controlled or changed by the experimenter
5.
Independent Variable
a)
the part of the experiment that changes because of the independent variable, you observe or measure this part to collect data
b)
the part of the experiment controlled or changed by the experimenter
6.
_________ happens when a force moves an object over a distance.
a)
change
b)
balance
c)
work
d)
particles
7.
A bat searches for prey at night. It makes sounds as it flies and used the echoes to find its prey. When the bat flies and listens to echoes to locate prey, it is using -
a)
thermal and light energy
b)
sound and thermal energy
c)
mechanical energy and sound energy
d)
light and mechanical energy
8.
A class is learning about states of matter. The teacher shows the students how to set up the investigation shown in the diagram. What kinds of energy are needed in this investigation to change the state of matter of the candle?
a)
light, mechanical, thermal
b)
electrical and thermal
c)
mechanical, light, electrical
d)
thermal and mechanical
9.
Rube Goldberg was an artist who drew cartoons that showed a very complicated way to do a simple task. The picture shows an example. which form of energy is used to turn on the switch?
a)
light
b)
thermal
c)
electric
d)
mechanical
10.
Three different objects that use the same source of energy are shown. What is the energy source for these objects?
a)
light
b)
mechanical
c)
sound
d)
electrical
11.
Students built the circuit shown. The lightbulb does not glow. Which statement explains this observation?
a)
The battery is not charged.
b)
The lightbulb is not part of the closed circuit pathway.
c)
The circuit does not have a switch.
d)
The bell uses most of the energy from the battery.
12.
How does a movable pulley make lifting objects easier?
a)
The amount of force needed is doubled
b)
the amount of force needed is increased
c)
the amount of force needed is reduced
d)
the amount of force needed stays the same
13.
If you use a crowbar to get the lid off of a bucket, what simple machine are you using?
a)
Inclined Plane
b)
Pulley
c)
Wheel and Axle
d)
Lever
14.
-a ramp
-flat surface that is higher at one end.
-helps a person move something up or down from one place to another
-flat surface that is higher at one end.
-helps a person move something up or down from one place to another
a)
inclined plane
b)
pulley
15.
-a flat bar that rests on a fulcrum
-helps a person move or lift something
-example is a see-saw
-helps a person move or lift something
-example is a see-saw
a)
lever
b)
wedge
16.
Stored energy that an object has due to its position or chemical composition is...
a)
Potential
b)
Kinetic
c)
Mechanical
17.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Electromagnetic
18.
What do we call a change from one form of energy to another?
a)
Energy form
b)
Energy transformation
c)
Kinetic energy
d)
Potential energy
19.
At which point is potential energy greatest
a)
W
b)
X
c)
Y
d)
Z
20.
When a pendulum swings, at which point is potential energy at its greatest
a)
1
b)
2
c)
3
d)
4
21.
What type of simple machine is found on the cap of a pickle jar?
a)
lever
b)
inclined plane
c)
pulley
d)
screw
22.
Which of these is an example of a wedge?
a)
skateboard
b)
broom
c)
stairs
d)
butter knife
23.
A fishing pole is an example of a compound machine. What simple machines are used to make up this compound machine?
a)
lever, wheel and axle, pulley
b)
wheel and axle, inclined plane, pulley
c)
wheel and axle, pulley, inclined plane
24.
How can you decrease the effort force needed to push a weight to the top of the ramp?
a)
cover the surface with carpet
b)
increase the length of the ramp
c)
increase the height of the ramp
d)
decrease the length of the ramp
25.
How does a single fixed puled, like the one seen here, help you do work?
a)
changes the direction of the force
b)
increases the amount of applied force
c)
decreases the amount of applied force
d)
allows you to pull the rope a shorter distance
26.
What is the law that states that energy cannot be created or destroyed only transform form one energy to another?
a)
Law of Conservation of Energy
b)
Law of Gravity
c)
Law of Inertia
d)
None of these
27.
LT6. What energy transformation occurs when your body turns the food you ate into energy that helps you to move and exercise?
a)
chemical to thermal
b)
chemical to mechanical
c)
mechanical to chemical
d)
mechanical to thermal
28.
LT6. explain the multiple transformations that occur when you strike a match
a)
mechanical-->thermal-->chemical-->thermal
b)
potential --> kinetic
c)
electrical ---> thermal ----> mechanical
29.
Which of the following does a simple machine do?
a)
allows the users to apply less force over a longer distance
b)
reduce the amount of force needed to do work
c)
Both of the above
30.
If an object is too heavy to move up a ramp, what is the best way to fix the problem?
a)
Increase the slope of the ramp
b)
Increase the elevation of the ramp
c)
Increase the length of the ramp
d)
Increase the friction of the ramp
100 %
