Process by which organisms use energy from sunlight to make their own food
Photosynthesis
20
The curved path of a celestial object or spacecraft around a star, planet, or moon, esp. a periodic elliptical revolution
Orbit
20
The movement of an object around another object
Revolution
20
A phase of the moon that comes after a 1st quarter moon and before a full moon where almost all of the moon is lit up from the right to the left, except a small bit on the left.
Waxing Gibbous
20
A phase of the moon that comes after a 1st quarter moon and before a full moon where almost all of the moon is lit up from the right to the left, except a small bit on the left.
Waxing Gibbous
20
Moon phase that occurs when the Moon is between Earth and the Sun, at which point the Moon cannot be seen because its lighted half is facing the Sun and its dark side faces Earth.
New Moon
15
Moon phase when all of the Moon's lighted half is visible
Full Moon
15
The Moon appears to be partly but less than one-half illuminated by direct sunlight. The fraction of the Moon's disk that is illuminated is decreasing.
Waning Crescent
15
Half of the moon is covered; light is on the LEFT.
Last Quarter
15
A phase of the moon coming after a new moon and before a 1st quarter moon that is a lit up crescent on the right
Waxing Crescent
15
One-half of the Moon appears to be illuminated by direct sunlight. The fraction of the Moon's disk that is illuminated is increasing.
First Quarter
15
A phase of the moon that comes after a full moon and before a last quarter moon where all of the moon is lit up except for a small bit on the right side of the moon that we can see.
Waning Gibbous
15
Occurs when the Moon passes directly between the Sun and Earth and casts a shadow over part of Earth
Solar Eclipse
25
An eclipse where the Earth comes between the Sun and the Moon and it is a full Moon (the moon is covered, has a shadow of dark red cast on it, or slightly dimmed)
Lunar Eclipse
25
The collection of planets and their moons in orbit around a sun, together with smaller bodies such as asteroids, meteoroids, and comets.
Solar System
15
A frozen mass of different types of ice and dust that orbit the Sun