Model Earth's Tilt & Seasons
What is the significance of Earth's axial tilt in determining seasons?
It affects the angle at which sunlight hits Earth.
What is the length of one revolution of the Moon around Earth?
29.5 days
What is the darkest part of Earths' shadow called?
umbra
The gravitational pull of what celestial object is MOST responsible for tides?
the Moon
What happens to the gravitational force between two planets when the distance between them increases?
it decreases
The Southern Hemisphere is what of the Northern Hemisphere when it comes to seasons?
The opposite.
Which moon phase occurs directly after a full moon?
waning gibbous
What is the lightest part of Earth's shadow called?
penumbra
How can you predict the tides for a regular/given day?
by checking the phase of the Moon and the position of the Sun
How does the mass of an object affect its gravitational pull?
What does the term 'solstice' refer to?
a day when the Sun reaches its highest or lowest point in the sky at noon
Describes when the illuminated side of the Moon is increasing
lunar phase when half of the illuminated side of the Moon faces the Earth
waxing
quarter moon
What type of eclipse happens when the Earth is positioned between the Sun and the Moon?
total lunar eclipse
When do spring tides occur?
during a new moon and full moon
What would be likely to happen if Earth was no longer in the Sun's orbit, being held by the Sun's gravitational pull?
Earth would continue moving in a straight line in space.
September 21
Lunar phase where the illuminated part of the Moon faces completely away from Earth
describes when the illuminated side of the Moon is decreasing
new moon
waning
the Moon positions itself between the Sun and Earth
neap tide
What separates the inner and outer planets?
What are the gases surrounding a planet?
Asteroid belt
Atmosphere
During an equinox, what is true about the sunlight distribution on Earth?
Both hemisphere receive equal amounts of sunlight.
one lunar cycle
phase when the illuminated part of the Moon looks like a football
a revolution
gibbous
What lunar phase does a solar eclipse happen?
What lunar phase does a lunar eclipse happen?
new moon
full moon
How many high tides and low tides are there every 24 hours and 50 minutes?
2 high tides and 2 low tides
The four closest planets to the Sun
the center of some planets
inner planets
the Moon