Inside the earth Earth's movement Map Skills What covers the earth
100
See diagram.
Use the diagram showing the Earth orbiting the sun to decide which season it is in the Northern hemisphere when the Earth reaches each of the four positions.

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100
Earth was believed to be created.
What happened 4.5 billion years ago?
100
an axis
What is an imaginary line that runs from one pole, through the center of the Earth, to the other pole
100
water
What covers 70% of the earth's surface?
200
Mantle
What is the middle layer of the Earth called?
200
The tilted axis of the Earth causes the seasons.
What causes the seasons on earth?
200
a globe
What is a sphere, or ball, that has a map of the earth on its surface?
200
latitude
Lines of ___________________ run from east to west.
300
crust
The layer of the Earth that can range from 4 miles to 25 miles in thickness is the _____________________.
300
orbit
What is a closed, curved path around the sun?
300
The zero degree line of longitude
Find the prime meridian on a map.
300
Longitude
Each time zone covers about 15 degrees of what?
400
core
Nickel and iron make up the ________________ of the earth
400
The rotation of the Earth
What causes day and night?
400
It is the imaginary line that circles the Earth halfway between the north and south poles
Find the equator on a map.
400
1pm
You live in Boston and work as a telephone sales person. You sell your products to offices all over the US. Use a time zone map to decide when to return a call in Atlanta at exactly 1pm in Atlanta. At what time in your time zone should you call?
500
core, mantle, crust
What are the three layers of the earth, from inside to outside?
500
one revolution of the Earth around the sun
What is one year equal to?
500
The equator runs east to west around the earth and the prime meridian ruse north to south. Both are at zero degrees and are an imaginary line through the center or the earth.
Compare and contrast the equator and prime meridian.
500
From 9 to 10.
You live in Boston and work as a telephone sales person. You sell your products to offices all over the US. Use a time zone map to decide during what hours in your time zone should you not call San Francisco because they will be on their noon lunch hour






The Earth

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