Energy Types
transformation
GPE
Kinetic Energy
True or False
100
The energy that is produced from bonds breaking?
Chemical energy
100
identify Input and output energy for a plugin speaker.
Input electrical energy
Output sound energy
100
what is the formula for GPE?
GPE= m x h x g
100
correct or incorrect:
formula for Kinetic energy is KE= M x V2
incorrect it is KE= 0.5 x M x V2
100
Energy cannot be created nor destroyed.
true
200
What type of energy does sun emit, it can be blinding?
light energy
200
Energy transformation flow chart for plug in lamp.
Electrical-> Light energy-> Thermal
200
RJ puts the following into the GPE equation
17g x 5m x 10m/s = 850 J
Is this working out correct or incorrect?
Incorrect 17grams should be in Kg 0.017Kg
200
Elias is driving at 20m/s and has a total mass of 300kg what his KE value is.
0.5 x 300 x 202 = 60,000J
200
Wind and hydropower are renewable energy supplies.
True
300
two of the most common wasted energy types.
Thermal and sound
300
Troy is on his bike at the top of a hill; he rides down and is now sweating a lot. construct a transformation flow chart for the scenario.
Potential energy-> Kinetic energy-> Thermal energy from peddling and tyre friction
300
Jemima throws her science book of 1kg to a height of 10m what's the GPE value of her book is? assume g= 10m/s
1 x 10 x 10= 100J
300
a yoyo is moving at a top speed of 4m/s and has a mass of 200g. What is the yoyo's top kinetic energy?
0.5 x 0.2 x 42= 1.6 J of Kinetic energy
300
Friction produces only thermal energy.
False sound energy can also be produced from friction.
400
Energy type that is produced from fission of a nuclease on an atom.
nuclear energy
400
Energy transformation flow chart of a tv (should have +).
Electrical -> Light+ Sound+ Thermal
400
two bullets are dropped in a canyon of 20m high, which will hit the bottom first? (g=10m/s)
1. 0.01kg
2. 0.1kg
bullet 2 as it has more mass will hit the ground first.
2. GPE= 20x 10 x0.1= 20 J
1. GPE= 20 x 10 x0.01 = 2 J
400
for Kinetic energy to increase which option is needed?
A. Mass decrease and Velocity decrease
B. Velocity to stay the same and mass become 0
C. Velocity vanish
D. Mass increases and Velocity increases
D. Mass increases and Velocity increases
400
When you ride a playground swing, your potential energy is the greatest at the highest point.
true
500
A wind up walking teddy bear is held above ground. what two types of potential energy are present?
Elastic potential energy and Gravitational potential energy.
500
What is energy transformation?
Process of changing one energy form to another. 
500
20gram Christmas Beattle lands on top of Justin. assume gravity is 10m/s and Justin is 6ft (1.8m) what is the GPE of the Beattle.
Beattle has the GPE of
0.02kg x 10 x 1.8= 0.36 J
500
Mr Bishop is running at 4.5m/s, what is his Kinetic energy?
0.5x 66 x 4.52 = 668.25 J
500
The first form of energy found was kinetic.
False light was the first energy source found it was from the sun.