Shared Flashcard Set

Details

Earth Science Topic 5
Energy-electromagnetic spectrum- specific heat, etc.
38
Science
9th Grade
04/23/2012

Additional Science Flashcards

 


 

Cards

Term
What is energy?
Definition
Energy is work
It is classified in joules and calories
Term
How is radiation classified?
Definition
Is classified by wavelength
Term
Longest visible light wavelength?
Definition
Red (next to infrared)
Term
What is the shortest visible light wavelength?
Definition
Violet (next to ultra violet)
Term
What is the major source of energy for the earth?
Definition
The sun
Term
What is electro magnetic energys 2 forms?
Definition
Long and short wavelengths
Term
_______ wave radiation doesn't reach the surface (it gets filtered by the atmosphere)
Definition
Short
Term
_______ wave radiation is most of the radiation that leaves the surface of the earth
Definition
Long
Term
Solar radiation and earth inputs
Definition
-mostly in the form of visible light
-3/4 used to evaporate H2O from oceans
Term
Solar radiation and earth outputs
Definition
Mostly in the form of (infrared) heat energy
Term
Energy is moved from areas of
Definition
High concentration to areas of low concentration
(from the equator to the poles)
Term
What type of energy is solar radiation?
Definition
Electromagnetic energy
Term
How do we classify electromagnetic energy in the spectrum?
Definition
By wavelength and energy
Term
What is the difference between heat and temperature?
Definition
Heat is energy and temperature is measure of kinetic energy
Term
Heat is....
Definition
A form of energy and measured in calories
Term
Temperature is ...
Definition
Measure of average kinetic energy, measured in degrees (K,C,F)
Term
Two kinds of energy used to change ice to water vapor?
Definition
Latent heat(PE) used to change phase
Specific heat(KE) heat energy used to in case temperature
Term
What is specific heat?
Definition
The amount of heat needed to raise the temperature of 1 gram of a substance to 1°c
Term
______ has the highest specific heat of all naturally occurring substances.
Definition
water
Term
The higher the specific heat.....
Definition
The SLOWER a substance HEATS and the SLOWER it COOLS down
Term
What are the 3 stages of H2O?
Definition
Solid-ice liquid-water gas-water vapor
Term
Evaporation is...
Definition
A change in phase from a liquid to a gas (HEAT ABSORBING PROCESS)
Term
Evaporation increases when:
Definition
Water is... Uncovered and heated
Wind is blown over water
Term
Condensation is.....
Definition
Opposite of evaporation, changing a gas into a liquid (HEAT RELEASING PROCESS)
Term
How is heat transffered?
Definition
Conduction, convection, and radiation
Term
Heat is a form of energy because....
Definition
It allows works to be done
Term
Energy travels from the sun in a form of....
Definition
Radiation
Term
Radiation means...
Definition
-process of giving off energy
-method of transferring energy
Term
Conduction is....
Definition
The transfer of heat by direct contact. (Bec of a series of collisions with molecules)
Term
Convection is...
Definition
The transfer of heat due to density differences with a fluid.
Term
Convection cells are...
Definition
The rising and falling of air due to density differences
Term
Refracted
Definition
Or bent
Term
Reflected
Definition
Or bounced
Term
Scattered
Definition
To go in various directions
Term
Transmitted
Definition
Passed through the material
Term
Absorbed
Definition
Taken into the material
Term
A good absorber is...
Definition
Dark and sMooth
Term
A good reflector is...
Definition
Light and rough
Supporting users have an ad free experience!