Solar system
Moon phases
Seasons
Stars
Eclipses, etc
100

This is the only star in our solar system

What is the Sun?

100

This explains why we can see moon light.

What is reflection of sun off the moon?


100

23o

What is the tilt of Earth's axis?


100

Solar radiation due to nuclear fusion.

What is the type of energy put off by our sun?


100

24 hours or 1 day

How long does it take for Earth to rotate on it's axis?

NOTE: Earth rotates west to east!

200

This force holds planets and moons in orbits. It is strongest with closest objects.

What is gravity?


200

The phase when sunlight is reflecting off the entire side of the moon facing the Earth

What is a full moon?


200

These two things lead to Earth's seasons.

Tilted axis and orbit/revolution around the sun.


200

Main sequence.

Where are the most stars on the Hertzsprung-Russel diagram?

Where does the sun fall on the Hertzsprung-Russel diagram?


200

Sun, Earth, moon.


What is the order of objects during a lunar eclipse?


300

The order of the inner planets.

What is Mercury, Venus, Earth and Mars?


300

27 days or approximately 1 month

How many days does it take for the moon to orbit/revolve around Earth? 

How many days does it take for the moon to rotate on it's axis?

300

The season when the Northern hemisphere is tilted away from the Sun.

What is winter?


300

It is based on temperature compared to luminosity/brightness.

What is the Hertzsprung-Russel diagram?


300

Sun, moon, Earth.


What is the order of objects during a solar eclipse?


400

The amount of time for the Earth to orbit/revolve the Sun.

What is 365 1/4 days or 1 year?

400

The new moon

What moon phase occurs we can't see any sunlight reflection off the moon?  


400

This season when the Northern hemisphere is tilted towards the sun.

What is summer?


400

THiese stars are dim and hot, for example, Sirius B.


What is a white dwarf star?

400

New moon.


What phase is the moon during a solar eclipse?


500

The term that describes the Sun as the center of our solar system

What is Heliocentric?


500

Waxing

Which phases mean the moon is growing larger?

500

Explains how much sunlight hits different parts of Earth during the day or season.

What happens with Earth's tilted axis?

What happens at different latitudes on Earth?



500

These stars are medium brightness, but not very hot; Aldebaran for example.


What is a red giant?

500

Full moon.


What phases is the moon during a lunar eclipse?