Light/Thermal
Where does light energy come from?
It comes from the Sun or human made objets.
Give two examples of sound energy.
The noise of wind, radio, etc.
Give 4 examples in which electrical energy can be transformed.
It can be transformed into light, sound, heat and movement.
Where does kinetic energy come from?
It comes from movement.
How does light energy travel?
It travels in waves and in straights lines.
How does sound energy travel?
It travels in form of waves and can be heard.
Give 3 examples of how electrical energy can be obtained.
It can be obtained by burning fossils fuels, from wind or from Sun.
Give an example of kinetic energy.
A bycicle going downhill in a hill, flowing water, when you kick a soccer ball, etc.
How does thermal energy travel?
It travels from warmer substances to cooler substances.
What kind of energy is formed when you honk a car horn?
When you honk a car horn it is released sound energy.
How can nuclear energy be generated?
It can be generated by spliting an atom of uranium into 2 or more parts.
Give an example of potential energy.
Water stored in a dam, etc
Where does thermal energy mainly come from?
It mainly come from the Sun.
Where does chemical energy come from?
It's released when a chemical reaction occurs.
What other uses can nuclear energy have?
It can be used to produce electricity/in medical treatments/space exploration.
How is potential energy stored?
Potential energy is stored due to an object's position.
Give three examples of fossil fuels.
Petroleum, carbon and natural gas.
Give an example of the release of chemical energy.
Batteries in a TV remote control, petrol burned inside a car engine, etc.
What is Uranium?
It is a radioactive chemical element.
BONUS
How is energy measured?
And electricity?
If you answer 0 correct you win 0 points!
If you answer 1 correct you win 500 points!
If you answer 2 correct you win 1000 points!
Energy → Joules (J)
Electricity → Kilowatt per hour (kWh)