Vocabulary
The ability to produce change or do work.
Energy
How do we measure it?
A- kilograms
B- meters/second
C- Newtons
D- Joules
D- Joules
How do we measure it?
A- kilograms
B- meters/second
C- Newtons
D- Joules
D- Joules
Energy stored within the bonds between atoms is called....
Chemical Energy
True/False. Biomass is a renewable energy source.
True
Stored Energy
Potential Energy
What is the equation of potential energy?
PE=mgh
What is the equation for kinetic energy?
KE=1/2mv^2
Energy stored within the nucleus of an atom is called....
Nuclear Energy
True/False. Geothermal is a renewable energy source.
False
Moving Energy
Kinetic Energy
What are the three factors which affect gravitational potential energy? (Think of the equation)
mass, gravity, and height
What are the two factors that affect kinetic energy? (think of the equation).
mass and velocity
The movement of electrons is called what type of energy....
Electrical Energy
What is the largest source of electricity in the united states?
A- Hydro
B-Wind
C-fossil fuels
C- Fossil Fuels
Energy is neither created nor destroyed, but can be transformed into different types.
Law of Conservation of Energy
Gage (40 kg) is standing on the roof of KHS.
Payton (40 kg) is standing on the table.
Who has more potential energy and WHY?
Gage, he has a greater height
Who has more kinetic energy (KE), a 5 g sports ball traveling at 20 m/s or a 10 kg sports ball traveling at 20 m/s?
The 10 kg sports ball, because it has a greater mass.
The movement of molecules is called what type of energy?
Thermal Energy
Energy resource that is limited on Earth is called....
Nonrenewable
When energy is taken from a source and there is no fear of ever running out of the source (example, wind and solar).
Renewable Energy
Jordan (40 kg) is standing atop of a school chair.
Hayden (80 kg) is standing atop an identical school chair.
Who has a greater potential energy and WHY?
Hayden, he's got a greater mass.
Which has more kinetic energy (KE), a 5 kg book resting on a 3 m shelf or a 10 kg weightlifting plate resting on the same shelf?
They have the same Kinetic energy.
Solar energy (which travels in waves) is also called what type of energy....
Radiant Energy
What type of energy will increase when your velocity also is increasing?
Kinetic Energy