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Astronomy lesson 5
Apologia Astronomy lesson 5
Question | Answer |
---|---|
God designed the Earth perfectly for us. Name the seven things that make the Earth the perfect planet to support life. | Perfect Distance, Perfect Mass, Perfect Atmosphere, Perfect Rotation, Perfect Tilt,Perfect Land, Perfect Magnetosphere |
Name the four layers of Earth. | crust, mantle, outer core, inner core |
The imaginary line that divides the Earth into two Hemispheres is called the ____________ . | equator |
The Earth is divided in half by the equator. The area above the equator is called the ____________ ________________ . | Northern Hemisphere |
The Earth is divided in half by the equator. The area below the equator is called the _____________ _______________ . | Southern Hemisphere |
What is matter? | It is the "stuff" that makes up everything around you, including you. |
____________ is the measure of how much matter is in something. | Mass |
Mass is important on Earth because it determines the amount of _____________ that Earth has. | gravity |
A _______________ ______________ is how long it takes a planet to rotate a complete turn on its axis, which is one day on that planet. | rotational period |
The ________________ is the layer of mist and gases that surrounds a planet. | atmosphere |
The word atmosphere comes from the Latin, "atmos" which means water vapor or __________ and "sphere" which means ________. | steam, ball |
"Shooting stars" are actually space rocks that hit the Earth's atmosphere and burn up. If a piece of a space rock makes it to Earth, it is called a ________________ . | meteorite |
The tilt of the Earth is the reason that we have ______________ . | seasons |
Earth is a (terrestrial or gaseous) planet. | terrestrial |
Approximately how far is Earth from the Sun? | 93 million miles(93,000,000 miles) |
A year on Earth is approximately how many days? | 365 |
A day on Earth is how many hours? | 24 |