Changes in Climate facts
Volcanic Eruptions
Ice Age
GreenHouse effect and Global Warming
Asteroid Impacts and Debris
100
which country uses the most carbon dioxide?
United States
100
what volcano is currently erupting on the big island
Kilauea Volcano
100
what are periods that are cold and warm?
interglacial periods
100
why does global warming have gradual increases in average temperatures/
Because there is a high concentration of smoke and gas.
100
True or False debris can block sunlight
True
200
how many cycles of glacial advance and retreat are there
7 cycles
200
what happens when a volcano erupts?
it sends large amounts of dust, ash, and smoke into the atmosphere
200
what does the ice age alternate between?
Cold and warm periods.
200
what is Global Warming?
a gradual increase in average temperatures.
200
What is debris?
dust or small rocks
300
How many pounds of carbon dioxide is put into the air if you burn a gallon of gasoline?
19 pounds
300
What does dust,ash, and smoke act as?
A shield
300
what happens in a 100,000 year period
the earth's orbit changes from elliptical to circular.
300
why is a greenhouse so warm?
A greenhouse is warm because it traps thermal energy.
300
What happens when an asteroid impacts the earth?
It shoots debris into the atmosphere?
400
what is atmosphere?
A thin layer of gas
400
what does a shield do?
Blocks Sun rays
400
explain the Milankovitch theory?
Explains why ice age isn't just one long cold spell.
400
what is a greenhouse
a small glass house that plants grow in and keeps the plants warm.
400
can asteroids crash into earth
YES
500
what is climate change?
A change in global or regional climate patterns. It is when the levels of atmospheric carbon dioxide changes by the use of fossil fuels increase.
500
how does blocking sun rays affect earth?
It cools earth down.
500
What is an ice age?
long period of climate cooling which ice sheets cover large areas of earths surface.
500
What is Greenhouse effect?
warming of the surface and the lower atmosphere.
500
What is an asteroid
A small rocky object that orbits the earth.
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