An imaginary line through an object such as a planet
What is Axis?
The only planet to sustain life
What is the Earth?
When we are facing the Earth
What is Day Time?
getting bigger, the right side of the moon is lit
What are the waxing phases?
The sun and the planets, moons and other objects that orbit the sun
What is Solar System?
What is the Moon?
A "planet" that is no longer considered a part of our Solar System
What is Pluto?
24 hours
What is one full rotation of the Earth?
getting smaller, the left side is lit
What are the waning phases?
A large chunk of rock that orbits the sun in an asteroid belt
What is Asteroid?
The flash of light we see when a meteoroid or a piece of an asteroid hits the Earth's atmosphere
Jupiter, Saturn, Uranus, Neptune
What are the 4 Gas Giants?
365 days
What is one revolution of the sun?
The regular change in the level of an ocean
To spin on it's axis
What is Rotation?
To revolve around
What is orbit?
Mercury, Venus, Earth and Mars
When it is Winter in the Northern Hemisphere, it is this season in the Southern Hemisphere
What is Summer?
New moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, waning crescent
What are the phases of the moon in order?
When Earth blocks light from the Sun and the Moon moves into Earth's shadow
What is a Lunar Eclipse?
When the moon blocks light from the sun and casts a shadow on Earth
What is a Solar Eclipse?
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
What is the order of the planets?
The tilt of the Earth affects how much sunlight reaches different parts of the Earth throughout the year
What is the reason we have seasons?
As the moon orbits the sun, the shadow of the light reflected onto the moon creates different shapes
What is why the moon appears to change shape?