Vocabulary
The ability to do work
A thermometer measures this type of energy.
Heat/Thermal
Energy cannot be created or destroyed, only ____________ from one form to another.
Transformed
The name for an energy source that will eventually run out.
Non-Renewable Energy
What is the gravitational potential energy of a 1kg ball at a height of 1m?
9.8 J
What is energy measured in
Joules
_______ energy is the only type of energy we can see.
Light
a transfer is the same type of energy that moves from one thing to another whereas a transformation the type of energy changes
Name two types of Renewable energy sources
Solar, Wind, Hydroelectric, Geothermal, Biomass, Tidal
What is the kinetic energy of a 2kg ball rolling at 1m/s
1 J
What is potential or stored energy?
the stored energy in an object due to its position, properties, and forces acting on it.
Light, heat and sound energy are all considered what type of energy?
Kinetic
If you imagine a drop of water at the top of a waterfall about to fall down. What type of energy does the drop of water have?
Gravitational potential
What is the energy transformation that occurs in a solar panel?
Light energy - electrical energy
If a 7kg box has 686J of potential energy, how high is it off the ground?
Energy derived from the movement of water is called
Hydroelectric energy
What are the two main categories of energy?
What is Kinetic (Active) and Potential (Stored)
How can a roller coaster gain potential energy?
Start at a higher height
What are three fuels that are considered fossil fuels
Coal, Oil, Natural Gas
If a bird has a velocity of 2.6m/s and has 10.14J of kinetic energy what is its mass?
3kg
What is friction?
A force that results in the transfer of heat energy
Name 3 types of potential energy.
What is Chemical potential, gravitational potential, elastic potential, Magnetic potential, Nuclear potential
A hair dryer transforms ________ energy to _________ and _________.
Electrical, Heat, Sound
What is the energy transformation that occurs in a Windmill
Kinetic --> Electrical
If a 80kg person falls and hits the ground at a speed of 10m/s, approximately how high did they fall from?
5.1m