Vocabulary
The imaginary line around which a planet rotates
axis
The Earth revolves around its _?_.
The Sun
What causes our seasons?
the tilt of the Earth's axis double your points: What is the tilt of the Earth's axis?
rising and falling of the Earth's ocean levels
tides
How long does it take the Moon to revolve around the Earth?
28 - 30 days
the time it takes an object to complete one orbit
revolution double your points: How long does it take the Earth to revolve around the Sun?
The Earth rotates around its _?_.
axis
In what season is the shortest day in terms of sunlight of the year called?
winter double your points: Is the Earth's axis tilted towards, away or neither in reference to the Sun?
What force causes the Earth's tides?
gravity
light source for the lunar phases
the Sun
when an object spins on a fixed point
rotation double your points: How long does it take the Earth to rotate?
The Earth revolves around the Sun in a _?_ motion. (Think like a clock.)
counter clockwise
What time of day is your shadow the shortest?
Noon Double your points: At what time of the day is your shadow the longest?
What object contributes the most pull to cause the tides?
the Moon
Why do we never see the "dark side" of the moon?
The moon is in a perfect synchronous rotation with the Earth.
light energy that bounces off a surface
Reflection
How many days/hours does it take for the Earth to rotate on its axis?
24 hours or 1 day
In what season is the longest day in terms of sunlight of the year called?
summer double your points: Is the Earth's axis tilted towards, away or neither in reference to the Sun?
If a low tide is at 12 am what time will the next low day be
12 pm
What do we call the phase of the Moon in which its whole disk is illuminated?
full moon
the bending of light rays as they pass from one substance to another
Refraction
How many days does it take for the Earth to revolve around the sun
365 days Double your points: What cycle does the Earth's revolution cause.
If the sun is in the east about what time is it?
Any am time is acceptable.
What is the repeating time difference between high and low tide?
6 hours double your points: How long does it take to do one entire tide cycle?
What do we call the phase of the Moon in which none of the its disk is illuminated?
new moon