Energy
Forms of Energy
Energy Conversions
Power and Efficiency
Sci 24 Who?
200

This term describes the ability to do work or cause change, such as moving an object or heating water.

What is energy?

200

This type of energy is associated with the movement of atoms and molecules, and can be felt when you rub your hands together. 

What is thermal (heat) energy?

200

This everyday example of energy conversion systems turns gasoline into motion and heat.

What is a car?

200

Measured in W, or J/s, this describes the rate at which energy is transferred or used.

What is power?

200

This person attended the Edmonton Pet Expo last weekend!

Who is Vince?

400

This law states that energy cannot be created or destroyed, only transformed from one form to another.

What is the law of conservation of energy?

400

This energy is given off by light bulbs, allowing us to see in the dark, and is a form of energy we can see with our eyes.

What is light energy?

400

In a car, the engine combusts fuel to power the vehicle forward. Identify the input energy in this scenario.

What is chemical potential energy?

400
This type of light bulb is more efficient than fluorescent and incandescent, using the least energy to produce the same amount of light.

What is LED (light-emitting diode)?

400

Ya like jazz? This person sure does!

Who is Marianne?

600

This is a general type of energy that is stored up and ready to be converted into useful energy.

What is potential energy?

600

This type of energy, found in the food we eat, is necessary for powering everything from muscle movement to cellular processes.  

What is chemical potential energy?

600

At a hydroelectric dam, water flows through turbines to generate electricity. Identify the output energy in this scenario.

What is electrical energy?

600

This unit measures electrical energy usage on your utilities bill, and costs around $0.12 each.

What is kWh?

600

This person can serenade you with beautiful guitar tunes.

Who is Onur?

800

According to the Law of Conservation of Energy, energy cannot be created or destroyed. Instead, it can only do this.

What is change forms (transform)?

800

This is the biggest source of energy for the Earth, powering photosynthesis and even creating fossil fuels over millions of years.

What is the sun?

800

This converter changes kinetic energy into electrical energy by moving a wire coil through a magnetic field.

What is an electric generator?

800

In a motor that is 80% efficient, this percentage of input energy is converted into waste energy.

What is 20%?

800

This person enjoys the mellow melodies of bossa nova.

Who is Skylar?

1000

A blow dryer produces these 4 types of energy, which when added together, equal the total input energy.

What are kinetic, sound, light, and thermal energies?

1000

This energy comes from deep inside the Earth and can be used to keep our homes warm or make electricity in places like Iceland.

What is geothermal energy?

1000

In hand warmer packs, a chemical reaction produces warmth to heat your hands in cold weather. Identify the converter in this scenario.  

What is the chemical reaction inside the pack?

1000

A 1500W space heater will use this amount of energy (in kWh) if left running for 6 hours.

What is 9kWh?

1000

This person harnesses the energy of UV rays to make delicate nail art.

(Bonus Question) Mr. Li is delighted to see this person in class today!

Who is Laura?

(Bonus Question) Who is Connor? (and everyone too!)