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Row 1, Col 1 How long does it take the earth to orbit once around the sun? 365 ¼ days

1,2 What angle is the earth’s axis tilted at? 23.5 degrees

1,3 In a water molecule what are The charges of the Oxygen and Hydrogen atoms? Oxygen = negative / Hydrogen = positive

1,4 Why does the northern hemisphere receive More Sun in one ½ of the year Than the other half? The angle of the sunlight changes

2,1 The rotation of the earth goes in what direction? From West to East

2,2 Define sublimation Process that changes a solid directly to a gas

2,3 What is it called when the earth Is farthest from the sun? aphelion

2,4 What is Kepler’s 3 rd law Of planetary motion? The square of a planet’s orbital period is proportional To the cube of the planet’s mean distance from the sun

3,1 What is it called when the hours of daylight = the hours of Darkness? Equinox

3,2 Why does the southern Hemisphere have summer When we have winter? The southern hemisphere is tilted towards the sun

3,3 How do the temperatures at the equator compare to The temperature at the poles During the year? The equator has less variation in temperature

3,4 Which law of planetary motion is Represented in the diagram Kepler’s 2 nd law

4,1 In which position does the United States receive the most hours of daylight Position D

4,2 Besides the earth’s tilt what Else contributes to the Earth’s seasons? The number of hours of daylight The angle of the Sun’s rays

4,3 Why is most of the Earth’s Surface covered by oceans? Water remains liquid at most temperatures on earth

4,4 What is one of the differences Between gaseous + liquid water? Only water vapor expands to fill available space

5,1 What is the main role of Plants in the Water cycle? Plants release water vapor into the air?

5,2 What question should you ask To find out the length of a Planets year? How long does the planet take to orbit the sun?

5,3 Where is the noon sun During winter?. Lower in the sky

5,4 Name 2 factors that affect The length of a season. Earth’s tilt relative to the sun Earth’s position in it’s orbit around sun