Solar System
The Moon
Seasons
The Universe
100
The third planet
What is Earth?
100
Smaller bodies that orbit planets
What is a moon?
100
A pattern of temperature and other weather trends
What is a season?
100
Space and all matter and energy in it
What is the universe?
200
A collection of large and small bodies that orbit our central star
What is the solar system?
200
27.3 days
What is the moon's orbit?
200
24 hrs of daylight and 24 hours of darkness
What is the midnight sun and the polar night?
200
The weakest force; force of attraction between objects due to mass and distance
What is gravity?
300
a piece of rock or metal from space that enters Earth's atmosphere
What is a meteor?
300
Events during which one object in space casts a shadow onto another
What are eclipses?
300
1. sunlight shines equally on North and South hemispheres. 1/2 lit and 1/2 dark 2. area of sunlight is at max in one hemisphere and at a min. in another
What is the equinox and solstice?
300
The inward force that causes an object to move in a circular path
What is centripetal force?
400
Has at least 63 moons
How many moons does Jupiter have?
400
A growing moon; a shrinking moon
What is a waxing and waning moon?
400
Due to changes in intensity of sunlight and # of daylight hours
Why do we experience seasons?
400
1. Planets orbit in eclipse 2. Planets move faster closer to the sun 3. Inner planets orbit faster than outer ones
What are Kepler's laws?
500
Neptune, Uranus, Saturn, Jupiter, Mars, Earth, Venus, Mercury
What are the planets in order from farthest to closest (to the sun)?
500
The moon's gravitational force.
What causes tides?
500
The sunlight hits it at a 90 degree angle so it gets the full amount of sun no matter where the Earth is at in its orbit.
Why is the equator warm year-round?
500
1. Solar nebula collapses 2. Sun forms 3. Planetismals form 4. Planets form
How did the universe form?
M
e
n
u