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Work and Machines
Energy and Energy Resources
Energy Conversions and Insulators
100
Radiation
What is the transfer of energy as electromagnetic waves?
100
Potential Energy
What is the energy that an object has because of the postition of the object?
100
Describe how a ramp impacts the amount of force needed to lift the trunk onto a truck
Does the ramp increase the distance needed to move the trunk and decrease the amount of the input force force needed?
100
Type of energy used stretching a rubber band.
What is Potential Energy?
100
Describe how energy from the Sun reaches the Earth.
What is radiation?
200
Insulation
What is a substance that reduces the transfer of heat?
200
Friction
What is the force that opposes motion between two surfaces that are in contact?
200
Describe Friction
What is a force that opposes motion between two surfaces that are in contact?
200
Type of conversion stretching and releasing a rubber band.
What is potential to kinetic?
200
Describe how a thermos is able to keep liquids hot or cold.
What is a thermos that is a good insulator?
300
Convection
What is the transfer of thermal energy by the circulation or movement of a liquid or gas?
300
Thermal Energy
What is the kinetic energy due to random motion of the particles that make up an object?
300
Work Equation
What is force time distance?
300
Describe the point on a roller coaster that displays Greatest gravitational potential energy
What is the highest point of the track?
300
Original energy is always converted to this
What is thermal energy?
400
Conduction
What is the transfer of thermal energy from one substance to another through direct contact?
400
Mechanical
What is the amount of work an object can do because of the object's kinetic and potential energies?
400
Describe why work output of a machine is alway less than the work output
Because some work used to overcome friction
400
Variables of Kinetic Energy
What is Velocity and Mass?
400
Energy transformation for a solar calculator
What is light to electrical?
500
Kinectic Energy
What is the energy of an object that is due to the object's motion?
500
The Law of Conservation of Energy
What is the law that states that energy cannot be created or destroyed but can be changed from one form to another?
500
Describe Work Output
What is the work done by a machine?
500
Describe the Maximum Potential Energy part of a roller coaster.
What is the fastest point of the track?
500
The Law of Conservation of Energy
What is the law that states that energy cannot be created or destroyed but can be changed from one from to another?