Multiple choice 1. which of earth's spheres contains mountains, valleys, and other landscapes? (1 point
atmosphere biosphere geosphere hydrosphere 2. which of the following are examples of destructive forces? (1 point
ice wind 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
water. oxygen. carbon dioxide. ozone. 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 australia 8. the phase of the moon you see depends on which of the following? (1 point
where you are on earth’s surface how much of the sunlit side of the moon faces earth
how much of the moon’s 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
earth’s 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

a. true
b. false 11. for a solar eclipse to occur, the sun must be positioned between earth and the moon. (1 point

a. true
b. false 12. the force of gravity between two objects decreases as the distance between the two objects increases. (1 point

a. true
b. false