Vocabulary
An object that makes work easier
simple machine
The biggest source of light energy
The sun
Riding a bike is an example of this kind of energy.
kinetic energy
Energy can not be lost or destroyed, only transformed into a different form of energy. True or False
True
The energy that can be measured by a thermometer
heat or thermal energy
The energy of motion
kinetic energy
What is the unit for work/energy
Joules
this form of energy is used to cook food on a grill
thermal/heat energy
A light bulb converts electrical energy into what energy?
Light Energy and Thermal Energy
Fill in the missing energy conversion: TV screen: electrical energy---> ____ and ____ energy
What is light and thermal energy?
This simple machine has three classes and a fulcrum
Lever
This type of energy is present when put a ball at the top of a hill
potential energy
The equation for potential energy is?
PE=mgh
What kind of energy does a hammer hitting a nail have?
mechanical energy
Which type of energy happens when a cell phone rings?
sound energy
Fill in the missing energy conversion: Battery: _____ energy ----> electrical energy
What is chemical energy?
What is the equation for work?
Force x distance
What is the name of the law that says that energy cannot be created or destroyed, only transformed into another form.
Law of conservation of energy or First law of thermodynamics
A hair dryer transforms _______energy to _____
electrical to heat
types of energy is stored in a battery?
Chemical Energy
DOUBLE JEOPARDY
Who is the scientist that developed the three laws of motion?
Isaac Newton
What are the 6 types of simple machines?
Lever, wheel and axle, screw, pulley, wedge, incline plane
Double Double
What is POWER?
Rate at which work is done
500 joules of electrical energy go into a toaster, how much energy of heat is the toaster releasing?
500 joules
List three types of energy a flying plane have
Mechanical Energy
Kinetic Energy
Potential Energy