Solar System
Moon
Kepler's Laws
Seasons
Vocab
100

The explanation of how the solar system formed from a cloud of dust and gas

What is the Nebular Hypothesis?

100

There are this many phases of the lunar cycle.

What is 8?

100

Kepler created this many laws

What is 3?

100

The earth is tilted to this degrees which is part of the reason we have seasons here on Earth.

What is 23.5 degrees?

100

The motion of one planet traveling around another.

What is revolution?

200

The earliest model of our solar system placing the EARTH at the center.

What is the Geocentric Model?

200

 These moon phases are growing in illumination

What are waxing phases?

200

This law states that planets orbit the sun in this shaped path rather than a perfect circle.

What is Kepler's 1st Law: Law of Ellipses?

200

When it is Spring here in Oswego, IL, it is __________ in Australia.

What is Fall/Autumn?

200

The path a planet takes to revolve around an object such as the sun.

What is Orbit?

300

The revised model of our solar system placing the SUN at the center.

What is the Heliocentric Model?

300

These moon phases are shrinking 

What are waning phases?

300

True or False: Planets move at a constant speed as they revolves around the sun.

What is False?

300

The longest day of sunlight occurring on June 21st.

What is Summer Solstice?

300

At this point Earth is farthest away from the Sun

What is aphelion?

400

This % amount of mass remains at the center of our solar systems with the Sun.

What is 99%?

400

When the Sun, Earth, and FULL MOON are lined up in a straight line and a shadow is casted on the Moon 

What is a lunar eclipse?

400
This law states that planets sweep out equal areas in equal intervals of time at both aphelion and perihelion while it orbits the sun.

What is Kepler's 2nd Law: Law of Equal Areas?

400

The shortest day of sunlight, taking place on December 22nd, where the sun is at its lowest point in the sky.

What is Winter Solstice?

400

At this point the Moon is at it's closest point to Earth in its's orbit.

What is perigee?

500

What was wrong about the Heliocentric Model that Johannes Kepler was able to then correct with his laws

What is the shape of Mars' orbit?

500
When the Earth, a NEW Moon, and Sun are lined up in a straight line creating a shadow on the Earth. 

What is a Solar Eclipse?

500

This law states that the farther the planet is away from the sun, the longer its period of revolution is.

What is Kepler's 3rd Law: Law of Periods?

500

This word is used to describe days with equal hours of daylight and darkness.

What is Equinox?

500

It takes Earth 365.25 days to revolve around the sun once. How do we account for this quarter of a day create on our calendars?

What is a leap year?