Ice Ages
Volcanic Eruption & Asteroid Impact
The Sun's Cycle
Global Warming
Weather
100
A long period of cool climate
What is an ice age?
100
Small, rocky object that orbits the sun.
What is an asteroid?
100
When the sun produces a high percentage of high-energy radiation.
What is a solar maxium?
100
A global increase in Earth's temperature
What is global warming?
100
The difference between weather and climate.
What is climate is the average weather of a given area over a long period of time? Weather is the condition of the atmosphere at a given time.
200
A period during an ice age when ice sheets advance and the sea level drops
What is a glacial period?
200
Produces dust and ash that reflects sunlight, causing cooling.
What is a volcanic eruption?
200
Dark areas on the sun's surface.
What are sunspots?
200
A natural process in which gases in the atmosphere trap heat.
What is the greenhouse effect?
200
Affects climate by causing the air to rise.
What are mountains.
300
A time during an ice age when ice melts and the sea level rises
What is an interglacial period?
300
Debris from an asteroid shot into the atmosphere, blocking sun, killing plants and food.
What is possible cause of dinosaur extinction?
300
When the sun has fewer sunspots.
What is a solar minimum?
300
Causes an increase in carbon dioxide in the atmosphere.
What are burning fossil fuels, clearing forests for farming and using automobiles?
300
Five factors that determine climates.
What are -latitude, -prevailing winds, -mountains, -large bodies of water, and -ocean currents.
400
Changes in the Earth's orbit, tilt and wobble of the Earth's axis causes ice ages.
What is the Milankovitch Theory?
400
The size of the asteroid (in distance units) that smashed into Earth 65 million years ago.
What is 10 km?
400
The last and the next solar minimum.
What is 2008 and 2019?
400
Consequences of global warming.
What are -ice caps melting, -raised sea level, -flooded coastlines, -drier deserts, -improved conditions for farming in northern latitudes.
400
The three climate zones in the world.
What are tropical zone, temperate zone and polar zone?
500
Giant landmass, mostly covered in ice, connected near the South Pole 250 million years ago.
What is Pangea?
500
The type of rock formed from volcanic explosions.
What is extrusive igneous rock?
500
Sunspots affect climate patterns around the world through this mechanism.
What is high-energy radiation warming winds in the atmosphere?
500
The answer to the math practice questions on page 540.
What is 15.3 kg of Carbon Dioxide?
500
The reason for seasons.
What is the tilt of the Earth's axis?
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