A Special Planet
The Sun
Day and Night
The Year and the Seasons
Earth's Climate and Future
100
Earth's distance from the sun is.......
What is 149.6 million km
100
The sun is _________ years old.
What is 4.6 billion
100
The sun rises on the....
What is east
100
The actual revolution time is.......
What is 365 days, 5 hours, 48 minutes, and 46 seconds.
100
Earth's tilt is called:
What is axis.
200
Earth is ___ years old.
What is 4.55 years old
200
Earth's ultimate source for energy is......
What is the sun
200
The sun lowers on the.....
What is west
200
Every __________ there is an extra day.
What is 4 years.
200
CFC's are.......
What is chlorofluorocarbons.
300
Earth's average temperature is......
What is 15°C
300
The sun powers this plant cycle.
What is photosynthesis
300
Earth takes _______ for it to make a full turn.
What is 1 day
300
The degrees of Earth's tilted axis is.....
What is 23.5° with respect to the vertical.
300
Earth's equator is warmer because:
What is more solar radiation goes to the middle part of Earth.
400
The atmosphere is mostly made out of......
What is oxygen and nitrogen
400
What is the sun's average temperature
What is 5,500°C
400
As Earth rotates _______________________.
What is one half is day and one half is night.
400
The Northern Hemisphere tilts toward the sun in the.....
What is middle of the year.
400
Over the last ________ scientists have begun to understand pollution's and other harmful things effects.
What is 50 years.
500
Earth's crust is mostly made of......
What is silicates which are made up of 46% oxygen 28% silicon and 26% other
500
The sun's mass takes up _________ of the solar system.
What is 99.8%
500
The side ___________ is day.
What is facing the sun.
500
It is cold at winter because....
What is the Northern Hemisphere tilts away from the sun so it is cooler.
500
______ tends to moderate the the coastal area.
What is the ocean.
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