VOCAB
climate
the weather found in a certain place over a long period of time
weather
the state of the atmosphere at any given time
greenhouse gases
gases in earth's atmosphere that trap heat- such as carbon dioxide and methane
atmosphere
the layer of gas that surrounds the earth- often called air
hydrosphere
the total amount of water on the planet, including water on the surface underground and in the air
lithosphere
includes rocks and minerals on earth
biosphere
the part of earth that can support life and includes all living things and the places they are found
air
a tasteless, odorless, invisible mixture of gases that are primarily made up of nitrogen and oxygen
geography
a science that deals with the earth's surface
latitude
lines of latitude circle earth parallel to the equator (an imaginary line that lies halfway between the north and south poles)
climate change
long-term changes in global temperatures and other characteristics of the atmosphere
solar power
energy from sunlight
wind power
energy from the wind
hydropower
energy from water
energy from the heat within the earth
evacuation
process of moving people away from an area for safety concerns
urban
areas where many people live and work (i.e. cities)
rural
areas where few people live and work (i.e. the country)
fossil fuels
natural substances formed from the buried remains of ancient organisms that can be used as energy
WHAT'S HEAVIER?
A kilogram of steel or a kilogram of feathers?
what is the fastest animal on land?
cheetah