LUNAR PHASES
What are the two Main motions of Earth?
Rotation and Revolution
______ complete or partial concealing of a celestial body by another.
Eclipse
What is the term fo the highest tides that occur twice a month during the full moon and new moon phases, when the gravitational pull of the moon and the sun reinforce each other?
What are Spring Tides
Seasons change because______
Earth is tilted on its axis and orbits around the Sun.
________ the force that attracts a body toward the center of the earth, or toward any other physical body having mass.
Gravity
______ are the result of the motion of the moon and the sunlight that is reflected from it's surface.
Lunar Phases
Name and differentiate the two types of shadows
Umbra: the darkest part of a shadow
Penumbra: the lighter part of a shadow
When the gravitational forces of the Moon and the Sun are perpendicular to each other, what type of tides are experienced with the least difference between high and low tides?
What are Neap Tides
When the hemisphere is tilted toward the sun, it's ______there. As it tilt's away, it's _____
What is summer,winter
_______ Is the turning or spinning, of a body on it's axis.
Rotation
The moon appears to be illuminated, but less than half. The piece of the moon that is illuminated is increasing.
Waxing Crescent
A Solar Eclipse can only occur during the ________________ moon phase. And what is the position of the Sun, Moon and Earth
New moon
They are aligned
What is the term for the force that causes tides, created by the gravitational attraction of the Moon and the Sun on Earth's oceans?
Gravitational Pull
The Earth rotates on its_____ every ______ hours
Axis, 24
______is the motion of a body, such as a planet or moon, along a path around some point in space.
Orbit or Revolution
One half of the moon appears to be illuminated by direct sunlight. The fraction of the moon's disc that is illuminated is decreasing.
Last Quarter
During Which Phase of the moon can a lunar eclipse occur?
What is a Full Moon
What term is used to describe the lowest level of the tide, occurring when the gravitational pull of the Moon and the Sun are at right angles to each other?
What is Low tide
Earth's orbit is not a perfect circle. It is______ or slightly oval-shaped.
what is elliptical
Earth has one natural satellite, ______
Moon
Name the order of moon phases
During a lunar eclipse, the Earth comes between which two celestial bodies?
What is Sun and the Moon
_______ causes Earth and its water to bulge out on the side closest to the Moon and the side farthest from the Moon.
What is the Moon’s tidal force
Differentiate Solstice and Equinox
Solstice - Longest OR Shortest Day of the Year
Equinox- 2 days when there is Equal day and night
Earth's Rotation causes ____ and _____. Each rotation equals ______ hours.
Day , Night, 24