Sun, Earth, Moon
The Earth takes about this amount of time to revolve once around the sun?
365.25 days
True/False The Moon is a planet.
False
True or False: The summer solstice occurs in June in the northern hemisphere and in December in the southern hemisphere.
True
The yearly orbit of Earth around the Sun is called its ____.
revolution
The Moon phase that comes directly after the new moon is the.....
the waxing crescent
Earth rotates on its axis once every ...
24 hours
A Rocky sphere that travels around a planet
Summer occurs on the hemisphere of Earth that is ____.
tilted TOWARD the Sun!
The line on which an object rotates is defined as______________________________________
Rotation axis
The percentage of the Moon that is visible during the first quarter phase.
50%
The Earth's rotation causes .........
day and night
The star that is the main source of light at the center of our solar system.
What is the sun?
What is the main difference between rotation and revolution?
Rotation- Around an axis
Revolution- Around an external body
True or False: Earth’s rotational axis is always tilted in the same direction.
True
The moon phase where the moon is not visible on Earth
What is the NEW MOON?
The near circular path a smaller takes around a larger object
What is orbit?
Why is the moon visible to us?
It reflects light from the sun
A light source is shining on a vertical surface. Is the light energy stronger or weaker?
Stronger!
How does the sun appear in the sky during summer solstice?
High in the sky!
This is the tide that occurs twice per lunar cycle that results in the highest high tides and the lowest low tides.
Spring Tides
Another name for rotation is .........
spinning or turning
The shape of Earth's orbit around the sun is this.
Near circular
During which astronomical event do the longest and shortest days occur?
Solstice!
Sunlight is MORE spread out as you move away from this.
EQUATOR!
The shape of the moon seems to change because...?
The moon revolves around Earth