

Energy Transformation & Conservation
Presentation
•
Science
•
7th - 8th Grade
•
Practice Problem
•
Medium
+6
Standards-aligned
Kimberly Whitaker
Used 55+ times
FREE Resource
11 Slides • 26 Questions
1
Energy Transformation & Conservation
Forces p. 120-125

2
3
Multiple Choice
A change from one form of energy to another
energy conservation
energy transformation
potential energy
kinetic energy
4
Multiple Choice
How are different forms of energy related?
they can all be transformed into other forms of energy
none of them can be transformed into other forms of energy
they can be created
they can be destroyed
5
6
Multiple Choice
What is an example of multiple energy transformations?
Your body transforms chemical to thermal
Your body transforms chemical to mechanical
a flashlight converts chemical energy in batteries to electrical to electromagnetic energy in light
a phone converts electrical to electromagnetic
7
8
9
Multiple Choice
Which is an example of a single energy transformation?
A toaster converts electrical to thermal energy
A match converts mechanical to thermal to electromagnetic
A biker converts chemical to mechanical to thermal
A car converts chemical to thermal to mechanical
10
11
12
Multiple Choice
As an object falls its __________ energy decreases and its kinetic energy increases
potential
chemical
thermal
electric
13
Multiple Choice
A pendulum has the most kinetic energy when?
at the top of its swing
at the bottom of its swing
14
15
Multiple Choice
_________ CANNOT be created or destroyed
energy
transformation
motion
pendulums
16
Multiple Choice
17
18
Multiple Choice
Why is a machine not 100% efficient?
Friction
Bad Parts
Losing Energy
19
20
Multiple Choice
The fastest point of the roller coaster is__________ because____...
B, all of the Gravitational Potential Energy has been transformed to Kinetic Energy
D, it is at the end of the roller coaster
C, all of the Gravitational Potential Energy has been transformed to Kinetic Energy
21
Multiple Choice
What would be the energy transformation from Position A to Position B
Kinetic to Potential
There is no energy transformation
Gravitational Potential to Kinetic
Potential Elastic to Gravitational Potential
22
Multiple Choice
The roller coaster cart has the most gravitational potential energy at position-
W
X
Y
Z
23
Multiple Choice
The roller coaster cart has the most kinetic energy at position-
W
X
Y
Z
24
Review Questions
Time to see what you have learned!
25
Multiple Choice
A change from one form of energy to another
energy conservation
energy transformation
potential energy
kinetic energy
26
Multiple Choice
How are different forms of energy related?
they can all be transformed into other forms of energy
none of them can be transformed into other forms of energy
they can be created
they can be destroyed
27
Multiple Choice
What is an example of multiple energy transformations?
Your body transforms chemical to thermal
Your body transforms chemical to mechanical
a flashlight converts chemical energy in batteries to electrical to electromagnetic energy in light
a phone converts electrical to electromagnetic
28
Multiple Choice
Which is an example of a single energy transformation?
A toaster converts electrical to thermal energy
A match converts mechanical to thermal to electromagnetic
A biker converts chemical to mechanical to thermal
A car converts chemical to thermal to mechanical
29
Multiple Choice
As an object falls its __________ energy decreases and its kinetic energy increases
potential
chemical
thermal
electric
30
Multiple Choice
A pendulum has the most kinetic energy when?
at the top of its swing
at the bottom of its swing
31
Multiple Choice
_________ CANNOT be created or destroyed
energy
transformation
motion
pendulums
32
Multiple Choice
According to which law of energy, energy can't be created or destroyed?
First law of motion
The law of tacos
Laws of Energy
law of conservation of energy
33
Multiple Choice
Why is a machine not 100% efficient?
Friction
Bad Parts
Losing Energy
34
Multiple Choice
The fastest point of the roller coaster is__________ because____...
B, all of the Gravitational Potential Energy has been transformed to Kinetic Energy
D, it is at the end of the roller coaster
C, all of the Gravitational Potential Energy has been transformed to Kinetic Energy
35
Multiple Choice
What would be the energy transformation from Position A to Position B
Kinetic to Potential
There is no energy transformation
Gravitational Potential to Kinetic
Potential Elastic to Gravitational Potential
36
Multiple Choice
The roller coaster cart has the most gravitational potential energy at position-
W
X
Y
Z
37
Multiple Choice
The roller coaster cart has the most kinetic energy at position-
W
X
Y
Z
Energy Transformation & Conservation
Forces p. 120-125

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