6th Grade Flashcards
(31 cards)
Kinetic Energy
The energy that is in use, it is the energy of motion
What are the six sources of energy?
•fossil fuels
•wood
•wind
•water(hydropower)
•the sun(solar power)
•the earth’s interior(convection and radiation)
-the convection and radiation from the earth’s surface powers the circulation of the atmosphere
What are the two factors of wood,wind,solar, and geothermal energy?
- take relatively short periods to replenish
* renewable resource
What are the four factors of fossil fuels?
- stored solar energy(coal and petroleum)
- rich in carbon and hydrogen
- nonrenewable
- major source of energy in modern industrial society
The energy coming from the sun is responsible for powering the motion of the ______, the ______, and _______.
Atmosphere,oceans,life processes
About ____ of the energy striking the earth is absorbed by the earth’s surface.
1/2
About ___ of the sun’s energy is reflected back into space.
1/3
Incoming solar radiation is about equal to the outgoing energy. The ________ _________ is caused by excess carbon dioxide and other gases that disrupt the balance.
Greenhouse Effect
What is the energy conversion?
Chemical>light and heat>mechanical>electrical
Reactant
Starting material
Product
Ending material
Mass of reactants=mass of products
Law of conservation of mass
Coefficient
The number in front of the substance that tells the number of units of substances
You NEVER change a _________!
Subscript
What exists in all three states?
Water
Water has a high surface tension. True or false?
True
What are the layers of the atmosphere?
Troposphere,stratosphere,mesosphere,and thermosphere
As altitude increases, temperature increases. True or false?
False. Temperature decreases.
Fronts
Boundaries between air masses
Cumulus cloud
Looks like cotton
Stratus cloud
Rain clouds
Cirrus cloud
Looks like feathery wisps
What is made up of the living and nonliving community?
Ecosystem
Abiotic factors
Nonliving chemical and physical factors in the environment
