Phases of the Moon
What are the changes we see in the shape of the moon?
Phases
What is a spring tide?
the largest daily tidal range
A body that orbits a larger body is called what?
Satelitte
What factors contribute to Earth's seasons?
The angle of the sun's rays and the number of hours of daylight.
What is an eclipse?
One object in space casts a shadow onto another.
What are Phases in the moon caused by?
The changes in the position of the Earth, moon, and the sun.
What is a neap tide?
Smallest daily tidal range; When the Sun, Earth, and Moon form a 90degree angle.
What is the time required for the earth to revolve around the sun?
365 days
What determines the season?
Pattern of temp. and other trends
What is the darkest part of a shadow on Earth?
umbra
What phase is it when the moon is getting bigger?
Waxing
What determines tidal cycles?
The rotation of Earth and the moon's revolution around Earth determine when tides occur.
How long does it take the Earth to rotate on it's axis?
24 hours
What happens on an equinox?
Sunlight shines equally on the Northern and Southern Hemispheres?
What is the lighter part of the shadow on Earth?
penumbra
What phase is it when the moom is getting smaller?
Waning
What causes tides?
Gravitational effects of the moon and the sun that cause tides.
What is the spinning of the earth on it's axis called?
Day and Night
When it's summer in the Northern Hemisphere, what season is it in the Southern Hemisphere?
Winter
What happens during a solar eclipse?
The moon passes between the sun and the earth so that the sun is partially or totally obscured.
What phase is it when the moon is not visible from Earth?
Waxing Gibbous
What is the similarity between the neap tide and the spring tide?
Each tide occurs 2 times a month, and is determined by the pull of gravity of the moon.