Kinetic
Potential
Forms of Energy
Heat
Energy Conversions
100
Kinetic energy is the energy of __________.
motion
100
What two things does potential energy depend upon?
weight and height
100
Energy resulting from the movement of electrons?
electrical energy
100
Heat travels from areas of a _________ temp to areas of a __________ temp.
high to low
100
What does the law of conservation of energy state?
energy is neither created or destroyed but can be transferred.
200
What two things does kinetic energy depend on?
mass and velocity
200
What type of energy is stored in objects that above Earth's surface.
gravitational potential energy
200
What is the energy stored in the nucleus of atoms?
Nuclear Energy
200
What are the 3 ways that heat can be transferred?
Conduction, Convection, and Radiation
200
When you turn on a lamp, _____________ energy converts to _______________ energy.
electrical to light
300
A car and an 18 wheeler are going the same speed. Which one has more kinetic energy and why?
18 wheeler - - more mass
300
What has more GPE: An apple at the top of a tree or an apple on the bottom tree branch?
Top of the tree.
300
What is the sum of KE and PE? (It remains constant at 100%)
Mechanical Energy
300
How do electromagnetic waves emitted by the sun heat Earth?
Radiation
300
When you turn on a toaster, _________ energy is converted to ___________ energy.
electrical to heat.
400
Where is KE the greatest when going down a hill? When is it the greatest when swinging a pendulum?
at the bottom of the hill; at the bottom of the pendulum
400
Where is the GPE greatest on a roller coaster.
Top of the first hill.
400
What is the energy stored in the bonds that hold atoms together? (food, fuel)
Chemical Potential Energy
400
A metal spoon place in a mug of hot cocoa gets warm by _____________.
Conduction
400
Eating food converts _____________ energy to ________________ energy.
chemical PE to thermal, kinetic
500
What is the formula for KE?
KE = 1/2mv2
500
A rubber band is an example of what type of potential energy?
elastic potential energy
500
What is the energy that results from the motion of particles within an object's atoms? (Ex: Radiation from light, microwaves, x-rays)
Electromagnetic Energy
500
A lava lamp shows heat transfer through _____________ as the oil heats up and rises and cools down and falls.
Convection
500
The process of photosynthesis converts ________________ energy into ______________.
Light (electromagnetic) into chemical
M
e
n
u