August 20, 2014

Homework Help: science help plzzz

Posted by josh on Wednesday, January 22, 2014 at 6:44pm.

Multiple Choice
1. Which of Earth's spheres contains mountains, valleys, and other landscapes? (1 point)
2. Which of the following are examples of destructive forces? (1 point)
both ice and wind
neither ice nor wind
3. Earth appears to be mostly blue when viewed from space because it is mostly covered by (1 point)
carbon dioxide.
4. Which of the following keeps Earth from falling into the sun? (1 point)
its size relative to its shape
its location in the solar system
its gravitational pull
its inertia
5. Which of the following causes day and night? (1 point)
the changing seasons
the revolving Earth
the rotating Earth
the evolving sun
6. One revolution of Earth around the sun takes (1 point)
one day.
one week.
one month.
one year.
7. Which of the following geographic locations is least affected by seasons? (1 point)
the Northern Hemisphere
the equator
the Southern Hemisphere
8. The phase of the moon you see depends on which of the following? (1 point)
where you are on Earthís surface
how much of the sunlit side of the moon faces Earth
how much of the moonís surface is lit by the sun
whether or not an eclipse is occurring
9. Which of the following causes an eclipse? (1 point)
when an object in space comes between the sun and a third object
when an object in space comes between the moon and Earth
when a meteorite hits Earth
when a large cloud passes over the sun
10. Which of the following greatly contributes to the cause of tides? (1 point)
Earthís rotation on its axis, which causes water to move
strong winds blowing water onto coasts
differences in how much the sun pulls on different part of Earth
differences in how much the moon and the sun pull on different parts of Earth
11. For a solar eclipse to occur, the sun must be positioned between Earth and the moon. (1 point)
12. The force of gravity between two objects decreases as the distance between the two objects increases. (1 point)

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