What is mechanical energy?
Mechanical energy is the energy of an object in movement. It can also make an object start to move.
Energy can be stored. Give me an example.
Batteries store chemical energy that is released when we need it.
Energy can be transported. Give me an example.
Sources of energy like wood, coal, or gas, can be transported far from where they are produced.
To save energy, we can use ______ transport, take showers, and turn off the lights when not in use.
Public
The energy that comes from the temperature of a heated substance is thermal energy. True or False?
True.
Thermal energy is inside all objects. True or False?
True
What forms of energy does a light have when you turn it on?
Electrical energy, thermal energy, and light energy.
Kinetic energy of an object is the energy due to motion. True or False?
True
What is chemical energy?
Chemical energy is stored in food, fuel, explosives, and batteries. For example: People use chemical energy in food!
Energy can be transferred from one body to another. Give me an example.
Example: When you hit a ball with a bat, you transfer mechanical energy to the bat and then to the ball.
What is nuclear energy?
Nuclear energy is present in uranium and plutonium.
Give me an example of how you can contribute to sustainable development?
Examples: Use natural light whenever possible, use the car less, unplug electrical appliances when you are not using them.
What forms of energy does a sandwich have?
Chemical and thermal energy.
What is electrical energy?
Electrical energy causes lightning. It makes machines work!
What forms of energy does an airplane use?
Chemical (fuel) and mechanical energy.
What is light energy?
Energy that comes from light sources. For example: plants use it for photosynthesis.