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Chapter 5 Energy Test Review Flashcards | StudBud
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Chapter 5 Energy Test Review
Chapter 5 Energy Test Review
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Energy Test for Nayak 8th Grade Science #learningisawesome
Flashcards
53 cards
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Questions
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Answers
1
Define kinetic energy
energy created from friction
energy from an objects stationary position
energy in waves
energy from an objects motion
2
Explain the energy conversion that occurs from rubbing your hands together on a cold day
Thermal to fricitonal
Frictional to electromagnetic
Frictional to thermal
Electromagnetic to frictional
3
What is the formula for Gravitational Potential Energy?
Weight x Velocity
Weight x Height x Gravity
Weight x Height
Weight x Height x 9.8
4
What does the word "kinetic" come from in Greek?
kinetos
crier ranger
kinetosi
kinetico
5
Thermal, Electrical, Chemical, Nuclear, and Electromagnetic Energy are linked with particles
False
True
6
What is Einstein's famous theory?
The Theory of Energy
The Theory of Relativity
The Theory of Relation
The Theory of Conversion
7
What energy did we learn about in the Skate Park Lab?
Kinetic and Potential
Nuclear
Karma
Electromagnetic
8
The Law of Conservation of Energy states that the total amount of energy will stay the same.
True
False
9
How could you relate Mechanical Energy and Friction in the Skate Park Lab?
As friction increased, kinetic energy increased
They were not in it
As friction increased, kinetic energy decreased
As friction decreased, kinetic energy decreased
10
Explain the energy conversion in a car
Chemical to mechanical
Chemical to electromagnetic
Mechanical to chemical
Electromagnetic to chemical
11
What does the Theory of Relativity state?
That Power Rangers is sad
That energy can be created by destroying nothing
That energy can be created by destroying matter
That matter can be destroyed by destroying energy
12
What is single transformation?
When one form of energy is converted to the other
The joining of two nuclei
An infinite change from energy to energy to energy
The splitting of a nucleus
13
Multiple transformation is when one form of energy is changed to another
True
False
14
Matter and Energy can always be conserved.
True
False
15
What is the formula for kinetic energy
Mass x Velocity
0.5 x Mass x Velocity2
0.5 x Mass x Velocity
Mass x Velocity2
16
Potential energy is stored energy related that results in the position or shape of and object.
False
True
17
Ice Cream is melting. What kind of energy is this associated with?
Electromagnetic
Kinetic
Thermal
Heat
18
How can you increase Gravitational Potential Energy?
Increasing the velocity and mass of an object
Decreasing the velocity or mass of an object
Decreasing the height or mass of an object
Increasing the height or mass of an object
19
Objects have to be moving to have potential energy.
False
True
20
The energy conversion in a pole vaulter is mechanical to elastic to mechanical
False
True
21
What is nuclear fusion?
Nuclear fusion is when the nucleus splits
Nuclear fusion is when two cells bond
Nothing
Nuclear fusion is when the nuclei of two atoms bond
22
What is the formula for mechanical energy?
Potential + Kinetic Energy
Kinetic + Nuclear Energy
Potential + Electromagnetic Energy
Potential + Thermal energy
23
What two variables have an effect on GPE?
Weight and Velocity
Meditation and Thought
Weight and Height
Mass and Velocity
24
Gravitational Potential Energy is greater in Jupiter
Yes
No
25
The energy conversion when you break down food is thermal to mechanic
False
True
26
What does the Law of Conservation of Energy state?
That energy can be created, nor destroyed
That energy cannot be created, nor destroyed
That the law is fake
That when matter is destroyed, energy is created
27
Mechanical energy is energy associated with the potential and kinetic energy of an object
False
True
28
What has a larger effect in the kinetic energy formula?
Mass
Height
Velocity
Weight
29
Is there a difference between nuclear fusion and nuclear fission?
no
yes
30
Did the skater have the most potential energy at the bottom the track?
No
Yes
31
In the middle of the track, Kinetic energy was greater than Potential energy.
No
Yes
32
Does one variable have a greater effect on GPE?
No
Yes
33
What is nuclear fission?
The splitting of a nucleus
The joining of two nuclei
The splitting of a cell
The joining of two cells
34
True or False. Wind has energy.
False
True
35
When did the skater have the least Potential Energy on the track?
At the top
Remained the same
Had no Potential Energy
At the bottom
36
Does changing the weight of the skater and type of track effect Potential and Kinetic Energy?
No
Yes
37
What happens when a small amount of matter is destroyed?
A large amount of energy is destroyed
Nothing
A large amount of energy is created
A large amount of matter is created
38
Most forms of energy can converted into other forms of energy
True
False!!!
39
What two variables does kinetic energy depend on?
Weight and height
Mass and Velocity
Mass and gravity
chi and positivity
40
Explain an energy conversion in an iPod to listen to music
Electromagnetic to electrical
Electrical to electromagnetic
Thermal to electromagnetic
Mechanical to kinetic
41
Define Work
a force moving an object through a distance
stored energy
studying or a job
an object's energy due to motion
42
Does mass on the bob effect the number of periods the pendulum makes?
Yes
No
43
Define Energy
electricity
the ability to do work
the ability to do homework
a force moving an object
44
What can be said about Kinetic and Potential energy?
Potential is transformed into kinetic energy and vice versa
They have no relationship
They are inverse
They are not real
45
Name the two basic kinds of energy
electrical and thermal
potential and kinetic
work and energy
kinetic and electromagnetic
46
What is energy transformation?
A change of negative to positive aura
Not real
A change from one form of energy to another
When energy is destroyed
47
What is matter?
Nothing
Ideas
Anything that doesn't exist
Anything that has mass and takes up space
48
What is elastic potential energy?
PE found with height of objects
PE found with objects that can be compressed or stretched
Energy found with potential and kinetic energy of an object
KE found with objects that can be compressed or stressed
49
Does the length of the string effect the number of the pendulum's periods?
No
Yes
50
Name the conversion of energy in a toaster
Electromagnetic to electrical
Nuclear to thermal
Electrical to thermal
Thermal to electrical
51
What type of energy is associated with atomic bombs and the sun?
Thermal
Electromagnetic
Toxic
Nuclear
52
Energy that travels as light and sound is defined as what type of energy?
Nuclear
Thermal
Positive
Electromagnetic
53
What energy is food associated with?
Thermal
Mechanical
Chemical
Nuclear
