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Fire is an example of what type of energy
What is heat
music is an example of what type of energy?
What is sound energy
a doorbell turns electricity into what kind of energy?
What is sound energy
Examples of mechanical energy
What is a car, train, etc
the main source of light energy is ?
What is the sun
Heat travels from ___________ to ____________ objects
What is warmer ; cooler
What are two main forms of energy ?
What is kinetic and potential energy
lighting is caused by what?
What is static energy
Two examples of how we use energy in our classroom everyday
What is smartboard, light , etc
it travels through space
What is light energy
The sun provides earth with two types of energy : light and what
What is light and Heat energy
example of a non-renewable energy is called
What is fossil fuels
True of False : sound energy can be heard in space
What is false
First law of thermal dynamics is that energy cannot be created or ___________
What is destroyed
This form of energy is also known as mechanical energy. It is created by machine or moving parts.
What is motion energy
Energy used to cook food in oven or on a stove.
What is thermal energy
True of false : when motion of an object increases kinetic energy increases
What is true
This source of energy is heard by vibrating objects. What is it ?
What is sound energy
Electricity that moves through a wire is called?
What is Current
Humans use __________ energy that is stored in food
What is chemical energy
Name two things you notice when energy is present around you
What is feeling heat , seeing movement, hearing sound or feeling vibrations
Who was the first to discover electricity?
What is William Gilbert
______________ is the bouncing back of light waves ?
What is reflection.
Who discovered gravity ?
What is newton
Red light has the ________ wavelengths, where violet has the ___________ wavelengths
What is longest : shortest