Planets Rotate
Planets Orbit the Sun
Moons Orbit Planets
Eclipes and Tides
Mystery
100
What is apparent motion? What things have apparent motion in the sky?
Apparent motion is when thing appear to be moving but aren't actually. The sun, moon and stars all have apparent motion.
100
What is a hemisphere? a) the part of the moon you can see b) the tilt of the earth c) half of the earth
c) half of the earth
100
What word means that the moon appears to be getting bigger? a) waxing b) waning
a) waxing
100
When one side of the earth has low tide, what kind of tide does the opposite side of the earth have?
Low tide
100
This causes the sun and the star to appear to move in the sky.
The earth's rotation
200
What causes apparent motion?
Earth's rotation cause things in the sky to move.
200
What shape is the earth's orbit around the sun?
An ellipse
200
About how long does it take for the moon to revolve all the way around the earth?
About 30 days.
200
How many high tides are there in a 24-hour day?
2 high tides in one 24-hour day
200
What causes day and night?
The earth rotation makes the sun visible during the day and not visible at night.
300
True or false: The earth's axis is pointed straight up and down. Explain your answer.
False. The earth's axis is tilted slightly.
300
How long does it take for the earth to revolve around the sun?
365 days or 1 year.
300
What do scientists believe happened that cause the creation of the moon?
A small planet collided with earth and broke into pieces. Gravity collected them into a sphere that became the moon.
300
During a lunar eclipse, a) the moon is in between the sun and the earth. b) the earth is in between the sun and the moon. c) the sun is in between the moon and the earth.
b) the earth is in between the sun and the moon. The earth casts a dark reddish orange shadow on the moon, almost blocking it from view.
300
What causes the moon to cycle through the phases?
The moon is orbiting the earth making the lighted side of the moon more or less visible to the earth depending on where it is.
400
If a planet rotates more quickly than Earth, will its day be shorter or longer than Earth's 24-hour day.
Shorter because a faster spin causes the sun to go out of view faster.
400
What is it called when sunlight shines equally on the northern and southern hemisphere? How many times a year does this happen?
an equinox; twice a year
400
From what side of the moon does it wax (grow) and wane (shrink)? a) left b) right c) top d) bottom
b) right
400
During a solar eclipse, a) the moon is between the sun and the earth. b) the earth is between the sun and the moon. c) the sun is between the moon and the earth.
a) the moon is between the sun and the earth.
400
True or false. The earth's shadow causes moon phases? Expain.
False. The moon orbiting the earth causes the moon phases.
500
Earth rotates from, a) north to south b) south to north c) east to west d) west to east
d) west to east
500
Suppose it is July and it is very cold and snowy. What hemisphere are you in and how do you know?
The southern hemisphere because in July, that hemisphere is tilted away from the sun and has winter.
500
Which two phases could the moon be in if you see half of the lighted part of the moon?
The First Quarter or the Last Quarter
500
Why can a lunar eclipse happen only during a new moon?
The only time when the earth is between the moon and the sun is during a new moon.
500
While having a picnic in a park, you notice that the shadow of the tree you're under is getting longer. What is causing this to happen?
The apparent motion of the sun across the sky.
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