Rotations
______ 1. Earth’s rotation takes about ______.
a. 365 days.
b. 6 months.
c. 24 hours.
d. 1 month.
c. 24 hours.
______ 2. One complete revolution of Earth around the sun takes about one ______.
a. rotation.
b. season.
c. year.
d. eclipse.
c. year.
______ 3. Earth has seasons because ______.
a. it rotates on its axis.
b. the distance between Earth and the sun changes.
c. its axis is tilted as it moves around the sun.
d. the temperature of the sun changes.
c. its axis is tilted as it moves around the sun.
______ 5. The phase of the moon you see depends on ______.
a. where you are on Earth’s surface.
b. how much of the sunlit side of the moon faces Earth.
c. how much of the moon’s surface is lit by the sun.
d. whether or not an eclipse is occurring.
b. how much of the sunlit side of the moon faces Earth.
______ 6. For a solar eclipse to occur, ______.
a. the sun must be directly between Earth and the moon.
b. the moon must be directly between Earth and the sun.
c. the moon must be directly behind Earth.
d. Earth must be directly between the sun and the moon.
b. the moon must be directly between Earth and the sun.
Day and night are caused by earths _____
rotations
When is the summer solstice?
June 21
______ 4. When the north end of Earth’s axis is tilted toward the sun, North America will experience
______.
a. more indirect rays and shorter days.
b. more indirect rays and longer days.
c. more direct rays and shorter days.
d. more direct rays and longer days.
d. more direct rays and longer days.
______ 8. Scientists think the moon was formed when ______.
a. a large object struck Earth, and ejected material from the collision
combined.
b. gravitational forces attracted a moon formed elsewhere in space.
c. meteoroids collected and solidified within the pull of Earth’s gravity.
d. gasses from Earth escaped from the atmosphere and condensed in space.
a. a large object struck Earth, and ejected material from the collision
combined.
______ 7. Galileo saw that much of the moon’s surface is covered with round pits called ______.
a. highlands.
b. seas.
c. craters.
d. maria.
c. craters.
the tilt of the earth is at
24 degrees
What would happen if Earth revolved around the sun slower?
longer years
______ 9. An equinox occurs when ______.
a. neither end of Earth’s axis is tilted toward or away from the sun.
b. the north end of Earth’s axis is tilted away from the sun.
c. the north end of Earth’s axis is tilted toward the sun.
d. Earth’s axis is parallel to the sun’s rays.
a. neither end of Earth’s axis is tilted toward or away from the sun.
______ 10. The moon appears to be cut in half during ______.
a. new moon and full moon phase.
b. new moon and first quarter phase.
c. first quarter and third quarter phase.
d. full moon and third quarter phase.
c. first quarter and third quarter phase.
______ 11. All objects are attracted to each other by the force of ______.
a. weight.
b. mass.
c. inertia.
d. gravity.
d. gravity.
What would happen if the earth's rotation was faster?
the days would be shorter
Do planets have different revolution speed?
yes
When the north end of Earth axis is tilted away from the sun, North America will experience.
a. more indirect rays and shorter days
b. more indirect rays and longer days
c. more direct rays and shorter days
d less direct rays and shorter days
d less direct rays and shorter days
_____ are flat areas on the Moon's surface.
marias
the moon can be seen from earth because it reflects _____ off the moons surface
sunlight
What would happen if the earth was not tilted?
no seasons
What is the shape of the revolution of earth around the sun?
elliptical
If it is summer in Northern Hemisphere it is _____ in the Southern Hemisphere?
winter
when you see no moon in the cycle of the moon, this is called a _______
new moon
the moon controls _____ on earth due to its gravitational pull
the tides