Types of Energy
Energy Tranformations
Calculations
Renewable Energies
Silly and Random
100
Energy that involves moving particles or objects is called
Kinetic Energy
100
Within a lightbulb electric energy is turned into _______ & __________ energy.
Heat and Light
100
Energy _________ is a measure of how much input energy is converted into useful output energy.
Efficiency
100
Renewable means the material can be __________ at the same rate it is used.
Replaced
100
You can live almost a month without eating a bite of food. You can last ________ without drinking water.
3 days
200
As William climbs a tree, his ____________ potential energy raises as he gets higher up.
Gravitational
200
In plants _______________ is the process that transforms sunlight into chemical potential energy.
Photosynthesis
200
Energy Efficiency= ?/? X 100
Useful Energy/ Total Energy Input
200
______ and ___________ are examples of non-renewable energy.
Coal, fossil fuels, natural gas.....
200
The worlds oldest living person is Misao Okawa from Japan. She is _________ years old! (Hint she was born 19 years after the invention of the lightbulb!!)
116 years old!!! She was born in 1898!
300
As William slips and falls from that tree, his __________ energy increases as he falls faster.
Kinetic
300
Kazzi stretches back a rubber band to fire across the room. When the rubber band is stretched he is using _________ potential energy and transforming it into ________ energy when he releases it towards Mr. Wadsworth.
Elastic and Kinetic
300
A car uses 5000J of petrol on it's way to the store. On the way it loses 1200J to friction, 2000J to heat, and 800J to sound. What is the amount of useful energy? (use the correct units!)
What is 1000J of useful energy
300
There is a (limited or unlimited) amount of fossil fuels and they are (easily or not easily) replaced.
Limited and not easily.
300
How many times would you have to fold a piece of paper in half in order for it to reach the moon?
42 Times! :)
400
Gravitational, nuclear, and chemical are all examples of _______ energy.
Potential
400
Mr. Wadsworth is using the stored _________ energy from his breakfast and turning it into ___________ energy when he yells at the tops of his lungs at Kazzi for hitting him with a rubber band!
Chemical and sound
400
Yesterday we determined that Mr. Wadsworth's motorbike is 50% energy efficient. If he fills his petrol tank with 2600J worth of energy, what amount can he expect to use as useful energy?
1300J of useful energy.
400
Using resources "sustainably" means......
To use a resource sustainably means that you use it very wisely and in the smallest amount possible. This means that future generations will still have access to the resource.
400
The Giant Pacific Octopus can weigh up to ______ kilos
300 Kilos!!!
500
What is another word for an energy "conversion"?
Energy Transformation
500
___________ energy from Haylee's iPod is transformed to _______ energy, _______ energy, & ______ energy as she listens to music.
Chemical Energy (in the battery) into sound, light, and heat.
500
Ms. Todd is trying to figure out the total energy she is putting into her new television. She determines that the t.v. puts out 75J of useful sound energy and 175J of useful light energy. The box it came in says that the t.v. is 25% energy efficient. What is the total energy she is putting into the t.v.?
1000J of total energy input.
500
Name 4 improvements on the room we are in that would make the room more "sustainable" and "energy efficient". Explain why!
Lots of ideas: solar panels, solar hot water heater, energy efficient lightbulbs, insulated windows, plant trees outside for shade, energy efficient appliances, etc.
500
Mr. Wadsworth once rode his bike on a __________ kilometer journey from Seattle to Mexico.
2,500 kilometers!
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