All cards
1
what is Kinetic Energy & Symbol formula & when is their more kinetic energy?
Anything that is moving has a Kinetic Energy Store
Faster objects have more Kinetic Energy than slow objects
KE=0.5mv²
Faster objects have more Kinetic Energy than slow objects
KE=0.5mv²
2
Equation for Energy & units
3
what is Thermal Energy & when is there more thermal energy?
Every object has Thermal Energy.
Total Kinetic & Potential Energy Object has.
Hotter Object is More Thermal Energy it has
Specific Heat Capacity & Specific Latent Heat GIVEN
Total Kinetic & Potential Energy Object has.
Hotter Object is More Thermal Energy it has
Specific Heat Capacity & Specific Latent Heat GIVEN
4
what is Gravitational Potential Energy & Symbol formula & when is their more GPE energy?
Anything that has Mass and is inside a Gravitational Field (like on earth).
Objects Higher have More Gravitational Potential Energy than Objects that are Lower.
Ep=mgh
Objects Higher have More Gravitational Potential Energy than Objects that are Lower.
Ep=mgh
5
what is Elastic Potential Energy & Symbol Formula & when is their more Elastic Potential energy?
Any object that is being stretched or squashed(compressed)
The more the spring is stretched the more Elastic Potential Energy it has
Ee=0.5KE² GIVEN
The more the spring is stretched the more Elastic Potential Energy it has
Ee=0.5KE² GIVEN
6
what is Chemical Energy?
Anything that Can Release Energy By Chemical Reaction such as food fuels and batteries
Foods like bread have more Chemical Energy than foods like lettuce
Foods like bread have more Chemical Energy than foods like lettuce
7
what is Nuclear Energy?
Atomic nuclei have Energy in the Nuclear Store, that can be Released in Nuclear Reactions
8
what is Electrostatic Energy?
Anything with Electric Charge is interacting with another Electric Charge
9
what is Magnetic Energy?
Anything Magnetic that is interacting with another Magnet
10
how is energy transferred?
between Stores by a Pathway
11
As one store decreases it's energy what happens to another store?
while another store(or stores) can increase in energy
12
what does the Electrical Pathway Describe?
Charges Moving Causes an Electrical Circuit
13
what does the Mechanical Pathway Describe?
A force Causes an Object to Move
so mechanical work is done on the object
so mechanical work is done on the object
14
what does the Radiation Pathway describe & example?
Transfer of Energy is Emitted From a Source
Such as light or sound
Such as light or sound
15
what does the Heating Pathway Describe?
Energy is Transferred from a Hot Object to a Cold Object
16
name all the energy stores
• Kinetic Energy
• Thermal Energy
• Gravitational Potential Energy
• Elastic Potential Energy
• Chemical Energy
• Nuclear Energy
• Electrostatic Energy
• Magnetic Energy
• Thermal Energy
• Gravitational Potential Energy
• Elastic Potential Energy
• Chemical Energy
• Nuclear Energy
• Electrostatic Energy
• Magnetic Energy
17
name all the Pathways
• Electrical Pathway
• Mechanical Pathway
• Radiation Pathway
• Heating Pathway
• Mechanical Pathway
• Radiation Pathway
• Heating Pathway
18
how do you draw Energy Stores in energy flow diagrams?
In boxes 
19
how do you draw pathways in energy flow diagrams?
On arrows 
20
what do you need to move an object?
To move an object, you need to Use a Force & Energy Transfers Need To Happen
21
what does Energy Transferred mean?
Energy Transferred means the same thing as Work Done in Physics
22
what is the word equation for Work Done & units?
Work Done= force×distance 
23
what is the symbol equation for Work Done?
W=f×d
24
Rearrange the Work Done equation for the Force Applied
F=w÷d
25
Rearrange the Work Done equation for the Distance Moved in the direction of the force
D=w÷f
26
state why forces may not work?
1) Object Undergoes No Displacement
2. Force is Perpendicular to the Displacement
2. Force is Perpendicular to the Displacement
27
what is the Work Done if we apply a 7N force and we move 8m in the direction of the Force?
W=f×d
f=7N
d=8m
W=7×8
W=56J
f=7N
d=8m
W=7×8
W=56J
28
what Distance is moved if we have an 8N force and the Work Done is 90J?
D=w÷f
w=90J
f=8N
D=90÷8
D=11.25
w=90J
f=8N
D=90÷8
D=11.25
29
what is the Force Required to move 7m if the work done is 6J?
F=w÷d
w=6J
D=7m
F=6÷7
F=0.8̇6 to 2 D.P
w=6J
D=7m
F=6÷7
F=0.8̇6 to 2 D.P
30
How do you calculate the amount of energy in a G.P.E store & units? 
Ep=mgh. Ep measured in Joules
31
what does G.P.E stand for?
Gravitational Potential Energy
32
What is the unit to measure G.P.E, E.P.E and Kinetic Energy?
Joules
33
What does E.P.E stand for ?
Elastic Potential Energy
34
What is the earth's gravity?
9.81N/kg
35
What is Specific Heat Capacity Measured in?
J/kg/°C
36
What unit is used to measure power?
Watts (W) or Kilowatts (KW)
37
A boy has a mass of 55kg. He climbs 12m up a tree. What is his gain in G.P.E? (Earth's gravity 10N/kg)
GPE=m×g×h
m=55kg
g=10N/Kg
h=12m
GPE=55×10×12
GPE=6600J
m=55kg
g=10N/Kg
h=12m
GPE=55×10×12
GPE=6600J
38
Is there more GPE on a shelf or on the floor and why?
On the shelf.
Because the higher above the ground the more GPE
Because the higher above the ground the more GPE
39
what is the symbol equation for Kinetic Energy & units?
KE=0.5mv²
40
A runner of mass 75kg runs at 10m/s. What is the Kinetic Energy of the runner?
KE=0.5×m×v²
m=75kg
V=10m/s
KE=0.5×75×10²
KE=3750
m=75kg
V=10m/s
KE=0.5×75×10²
KE=3750
41
What are the two factors that can affect how much EPE an object has?
• Extension
• Spring Constant
• Spring Constant
42
What are the units for this equation: Elastic Potential Energy (EPE) = 0.5×Spring Constant×Extension² It's given but not units
43
what is the Elastic Potential Energy symbol equation?
Ee=0.5KE²
44
A spring is extended by 2 m. if it's spring constant is 200N/m, how much Elastic Potential Energy does it store?
Ee=0.5KE²
K=200N/m
E²=2²
Ee=0.5×200×2²
Ee=400J
K=200N/m
E²=2²
Ee=0.5×200×2²
Ee=400J
45
What is Specific Heat Capacity?
of a substance is Amount Of Energy Required to Change Temperature of 1 kg of the Substance by 1° C
46
What is the equation for energy for specific heat capacity
47
what is the symbol equation for energy
48
label the picture for the Specific Heat Capacity Experiment 
49
what is the name of this experiment?
Specific Heat Capacity
50
what are the Variables for the Specific Heat Capacity experiment?
• Independent Variable: Energy (J)
• Dependant Variable: Temperature (°c)
• Control Variable: The same amount power supply
• Dependant Variable: Temperature (°c)
• Control Variable: The same amount power supply
51
State the method for the Specific Heat Capacity experiment.
• Connect Joule Meter with Heater and Power Supply. Keep Voltage Constant.
• Place Heater in Hole in Aluminium Block with Insulation. Measure Starting Temperature of Block using Thermometer.
• Measure Energy From the Joule Meter Every Minute & Record Temperature.
• Do Experiment for 10 min and draw a graph with the results.
• Place Heater in Hole in Aluminium Block with Insulation. Measure Starting Temperature of Block using Thermometer.
• Measure Energy From the Joule Meter Every Minute & Record Temperature.
• Do Experiment for 10 min and draw a graph with the results.
52
What is the pattern for the results for the Specific Heat Capacity experiment.
As energy increases over time the temperature also increases
53
what might the graph look like for the Specific Heat Capacity experiment?
independent on the X axis
dependant variable on the y axis
dependant variable on the y axis
54
what is power?
Measure of How Quickly Energy is being Transferred.
55
What is the first of the two equations for power?
Power=
Energy Transferred
-----------------------
time
Energy Transferred
-----------------------
time
56
What is the second equation of two for power?
Power=
Work Done
------------
time
Work Done
------------
time
57
What is the symbol equations for power?
P=w÷t P=e÷t
58
An electric heater transfers 30KJ in 15s. What is its power?
2KW/2000w
59
Energy can be what?
Energy can be Transferred Usefully, Stored or Dissipated
60
what does dissipated mean?
wasted
(how much energy is wasted)
(how much energy is wasted)
61
What can energy not be?
Energy cannot be created or destroyed.
This is called Conservation Of Energy
This is called Conservation Of Energy
62
What's it called when energy cannot be created or destroyed?
Law of Conservation of Energy
63
What is the equation for Efficiency?
Efficiency=
useful energy output
------------------------
total energy input
useful energy output
------------------------
total energy input
64
What is the efficiency?
80%
65
What type of resource is coal and why?
Coal is a non-renewable resource because it will run out.
66
What is a fossil fuel?
Something that takes millions of years to form.
67
what type of resource is wind and why?
Wind is a Renewable Resource because it Won't Be Used Up as it's Replaced Faster than Lost.
68
what are non-renewable resource and examples?
Resource that can't be remade such as:
• Natural Gas
• Coal
• Oil
• Nuclear Power
• Natural Gas
• Coal
• Oil
• Nuclear Power
69
what are properties of a renewable resource and examples?
Resources that can be remade such as:
• Wind
• Solar
• Hydroelectric
• Geothermal
• Biofuel
• Wind
• Solar
• Hydroelectric
• Geothermal
• Biofuel
70
Name all the energy resources
• Hydroelectric Energy
• Tidal Energy
• Wave Energy
• Nuclear Power
• Solar Energy
• Wind Energy
• Biomass Energy
• Geothermal Energy
• Fossil Fuels
• Tidal Energy
• Wave Energy
• Nuclear Power
• Solar Energy
• Wind Energy
• Biomass Energy
• Geothermal Energy
• Fossil Fuels
71
Solar Energy where does the energy come from and how does it work?
Energy comes from the sun
The Sun's Heat and Light Energy are Turned Into either:
• Electrical Energy by solar cells
• Or Used to Heat Water For Homes Using Solar Panels
The Sun's Heat and Light Energy are Turned Into either:
• Electrical Energy by solar cells
• Or Used to Heat Water For Homes Using Solar Panels
72
what are the advantages and disadvantages of Solar Energy?
+
• Renewable
• No pollution
-
• Solar Cells and panels are expensive
• only works if sunny
• Renewable
• No pollution
-
• Solar Cells and panels are expensive
• only works if sunny
73
Wind Energy how does it work?
Using turbines we turn Kinetic Energy of the wind into Electrical Energy
74
what are the advantages and disadvantages of Wind Energy?
+
• Renewable
• No pollution
• Turbines are cheap
-
• Turbines can be ugly and noisy
• Only works if windy
• Renewable
• No pollution
• Turbines are cheap
-
• Turbines can be ugly and noisy
• Only works if windy
75
Biomass Energy where does the Energy come from and how does it work?
Energy comes from plants
• Trees Absorb Suns Energy
• Trees Change Energy into Chemical Energy Stored Inside Them.
• when we Burn Wood we Turn the Energy To Heat
• Trees Absorb Suns Energy
• Trees Change Energy into Chemical Energy Stored Inside Them.
• when we Burn Wood we Turn the Energy To Heat
76
what are the advantages and disadvantages of Biomass Energy?
+
• Renewable
• Doesn't need specific equipment
• No pollution
-
• Large areas of land is needed
• Renewable
• Doesn't need specific equipment
• No pollution
-
• Large areas of land is needed
77
Geothermal Energy where does the Energy come from and how does it work?
Energy comes from the earth
The Earth's Rocks are Naturally Hot.
We turn their Heat Energy into Electrical Energy.
• Cold Water Pumped below Ground
• Hot Rocks Heat the Water to Create Energy
The Earth's Rocks are Naturally Hot.
We turn their Heat Energy into Electrical Energy.
• Cold Water Pumped below Ground
• Hot Rocks Heat the Water to Create Energy
78
what are the advantages and disadvantages of Geothermal Energy?
+
• Renewable
• No pollution
• Doesn't damage the environment
-
• Very few places you can do this
• Costs a lot of money
• Renewable
• No pollution
• Doesn't damage the environment
-
• Very few places you can do this
• Costs a lot of money
79
Fossil Fuels where does the Energy come from and how does it work?
Energy comes from fossil fuelssuch as: oil, gas and coal
• Burning fossil fuels create energy
• Burning fossil fuels create energy
80
what are the advantages and disadvantages of Fossil Fuels?
+
• Reliable
-
• Non-renewable
• Produces carbon
• Can cause acid rain if burning gas
• Reliable
-
• Non-renewable
• Produces carbon
• Can cause acid rain if burning gas
81
Hydroelectric Energy where does the Energy come from and how does it work?
Energy comes from rivers
Water Flowing in a River has Kinetic Energy. We turn this into Electrical Energy.
• We Build a Dam, Let Water Flow Through it Gradually
Water Flowing in a River has Kinetic Energy. We turn this into Electrical Energy.
• We Build a Dam, Let Water Flow Through it Gradually
82
what are the advantages and disadvantages of Hydroelectric Energy?
+
• Renewable
• No pollution
• Can store water high
• When we need energy we can let the water out
-
• Costs a lot to build a dam
• The dam can ruin local environment
• Renewable
• No pollution
• Can store water high
• When we need energy we can let the water out
-
• Costs a lot to build a dam
• The dam can ruin local environment
83
Tidal Energy where does the Energy come from and how does it work?
Energy comes from the sea
When the Tide Is High Water has lots of GPE.
• At High Tide we Trap the Water Behind a Dam.
• Low Tide Water is Released To Create Energy
When the Tide Is High Water has lots of GPE.
• At High Tide we Trap the Water Behind a Dam.
• Low Tide Water is Released To Create Energy
84
what are the advantages and disadvantages of Tidal Energy?
+
• Renewable
• No pollution
• Reliable
• Cheap to run
-
• Costs a lot to build a dam
• Dam may cause flooding
• Renewable
• No pollution
• Reliable
• Cheap to run
-
• Costs a lot to build a dam
• Dam may cause flooding
85
Nuclear Power where does the Energy come from and how does it work?
Energy comes from nuclear
• They Heat Water to Produce Steam. The Steam Used to Spin Large Turbines that Generate Electricity.
• They Heat Water to Produce Steam. The Steam Used to Spin Large Turbines that Generate Electricity.
86
what are the advantages and disadvantages of Nuclear Power?
+
• No pollution
• Realeases a lot of energy
-
• Non-Renewable
• If an explosion or accident a reactor could release radioactive material
• No pollution
• Realeases a lot of energy
-
• Non-Renewable
• If an explosion or accident a reactor could release radioactive material
87
Wave Energy where does the Energy come from and how does it work?
Energy comes from the ocean waves
• Sea Waves Moving Up and Down can Drive Turbines directly to Generate Electricity.
• Sea Waves Moving Up and Down can Drive Turbines directly to Generate Electricity.
88
what are the advantages and disadvantages of Wave Energy?
+
• No pollution
• Renewable
•No damage to land
-
• Unreliable since waves die down when the wind drops
• Spoils the view
• Disrupts marine animals
• Hazards to boats
• No pollution
• Renewable
•No damage to land
-
• Unreliable since waves die down when the wind drops
• Spoils the view
• Disrupts marine animals
• Hazards to boats