Types of Energy
This type of energy increases as we life a book to a high shelf
What is gravitational potential energy?
Plants turn radiant energy into chemical energy in this process
What is photosynthesis?
The average kinetic energy of particles in a substance is its
What is temperature?
These two conditions must be meet for work to be done
What is a force and movement in the direction of the force?
Heat always flows from a high temperature source to
What is a low temperature source?
This type of energy increases as a book falls from a high shelf
What is kinetic energy?
The transfer of heat energy by direct contact
What is conduction?
The three scales for measuring temperature are Fahrenheit, Celsius and this
What is Kelvin?
How much work is done in lifting a 1 kg block 1 meter?
What is 10 joules?
Energy can be neither created or destroyed is a statement of
What is the Law of Conservation of Energy, or First law of Thermodynamics?
Energy stored in food we eat is this type of energy
What is chemical potential energy
The friction produced by the braking system of your car turns this into thermal energy
What is kinetic energy?
The amount of heat needed to raise the temperature of a substance by 1 degree is its
What is specific heat capacity?
The rate at which work is done
What is power?
Transfer of thermal through currents in a fluid
What is convection?
This type of energy increases as we raise the temperature of a substance
What is thermal or molecular kinetic energy?
Materials that can limit the flow of thermal energy are this
What are insulators?
When an object absorbs electromagnetic energy this will increase
What is temperature?
The SI unit of power
What is a watt?
When a roller coaster is at the lowest point on the track its speed is
What is greatest?
The type of energy stored in a spring
What is elastic potential energy?
Solar energy is transferred to solar panels by
What is radiation?
Heat or thermal energy is measured in this unit
What is a joule?
A 50 kg student runs up steps in 2.0 s and ends up 1.0 m above the floor. What power was developed?
What is 250 watts?
A form of energy that is reflected or emitted from objects in the form of waves that can travel through space.
What is electromagnetic or radiant energy?