Vocabulary
the ability to do work
energy
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
Force that moves objects away.
Push
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
Fill in the missing energy conversion: Light bulb: electrical energy---> ____ and ____ energy
What is light and thermal energy?
Energy cannot be created or destroyed but can change forms
Law of conservation of energy
This type of energy is present when you pull on a rubber band
Elastic potential energy
An object can't move unless there is a ______ causing it to move.
Force
What kind of energy does a cart SITTING on the top hill of a roller coaster have?
potential energy
Give an example of heat transfer through conduction?
Pan on stove, spoon in soup, holding coffee mug, ironing clothes, ect/
Fill in the missing energy conversion: Battery: _____ energy ----> electrical energy
What is chemical energy?
What is the force that acts on an object to stop its motion?
Friction
Kelly is sledding on a snowy hill in the winter. The energy the sled has as it slides down the hill is a form of
Mechanical Energy (potential and kinetic)
A car transforms _______energy to _____ and ________
Chemical to mechanical and thermal
types of energy is stored in a battery?
Chemical Energy
DOUBLE JEOPARDY
Explain convection
Heat transfer process that occurs in fluids (liquids or gases) when warmer, less dense fluid rises and cooler, denser fluid sinks, creating a continuous cycle called a convection current.
Efficiency=
Eng. out/ eng. in x 100%
Double Double
What is radiation in terms of heat transfer?
Heat transfer that uses electromagnetic waves to move energy from one object to another without needing a medium like air or water or does not need to be in contact.
Motion is the change in?
Position
List three types of energy a flying plane have
Mechanical Energy
Kinetic Energy
Potential Energy