Name one form of energy a car engine produces when it is running and moving.
heat, light, sound, mechanical, electrical
What forms of energy travel to the earth from the sun? Give 2.
light and heat
If you use 500 joules of energy to charge your iPad, how much energy will you get out?
500 joules
Name one form of energy a car engine produces when it is running and moving.
heat, light, sound, mechanical, electrical
Plants need what form of energy?
light
Name one form of energy a car engine produces when it is running and moving.
heat, light, sound, mechanical, electrical
What can energy do?
makes things: move, change, grow
What form of energy does a car use?
chemical, electrical
Name a forms of energy you present in the image.
heat, light, sound, chemical, mechanical
True or False: Mechanical energy can be changed to heat energy.
TRUE
When you are moving, you have ___ energy
mechanical
Burning paper changes ___ to heat and light energy.
chemical
True or False: Energy can be changed from one form to another.
TRUE
True or False: When energy is changed from one form to another some of it is lost.
FALSE
True or False: Chemical energy CANNOT be changed to mechanical energy.
FALSE
A lightbulb uses 200 joules of electrical energy and produces light and heat energy. If it produces 50 joules of light energy, how much heat energy does it produce?
150 joules
What form of energy do plants produce/make?
chemical energy
A hair dryer uses 1000 joules of electrical energy and produces heat and sound energy. If it produces 700 joules of heat energy, how much sound energy does it produce?
300 joules
Name one form of energy a car engine produces when it is running and moving.
heat, light, sound, mechanical, electrical
If you put 1000 joules of energy into your body, how much energy will you get out?
1000 joules
What form of energy is produced in the sun's core?
nuclear