Phases & Eclipses
What causes the phases of the moon?
Caused by motion of moon around earth blocking light from sun
What "consists of the sun, the planets, their moons, and a variety of smaller objects"?
The Solar System
Earth's Rotation
What is "an object that orbits the sun, is large enough to have become rounded by its own gravity, and has cleared the area of its orbit of debris"
A Planet
What is "a pattern or group of stars that people imagine represents a figure, animal, or object"
Constellation
True or False: We see all sides of the moon
False; we always see the same side
How do scientists measure distances in space?
Astronomical Units
What causes seasons?
Earth's Revolution
True or False: The stars move in space
False: Earth's movement makes stars look like they are moving
What type of eclipse occurs when the moon is too close to the sun to fully block out its light?
Annular Eclipse
Draw a First Quarter moon
Left half should be dark; Right half should be bright
What is "a gaseous body much larger than anything else in the solar system"?
The Sun
Two parts:
1) One day per year where the sun is highest in the sky
2) Equal night where neither hemisphere is pointed towards the sun
1) Solstices
2) Equinoxes
Which model put the Earth as the center of the solar system?
The Geocentric Model
Which 2 planets do not have moons?
Venus and Mercury
What is "the darkest part of shadow when light from the sun is totally blocked"?
Umbra
What is "an object that orbits the sun and has enough gravity to be spherical, but has not cleared the area of its orbit"
Dwarf Planet
What is "the tendency of an object to resist change in motion"?
Inertia
Which model put the Sun as the center of the solar system?
The Heliocentric Model
What discovery by Galileo proved the Heliocentric model?
Moons orbiting Jupiter
Venus's Phases
What causes Tides in the ocean?
Gravity from the moon
Sunspots
What is the scientific name for the oval-shaped path the planets orbit in?
Ellipse
What is "a cold mixture of dust and ice that develops a long trail of light as it approaches the sun"
A Comet
What degree does the earth tilt on its axis?
23.5 degrees