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