Moon Phases
Earth's Atmosphere
Planets
Earth's Seasons
Eclipses
100

The moon phase when the moon is 100% visible

What is Full Moon

100

The two gasses that compose most of Earth's atmosphere

What is Nitrogen (78%) and Oxygen (21%)

100

The inner planets

What is Mercury, Venus, Earth, and Mars

100

The reason for seasons on Earth

What is Earth's tilt on its axis

100

The moon blocks the suns rays

What is a solar eclipse

200

The moon phases when half of the moon is visible

What are the First and Third quarter

200

The heating of the Earth's atmosphere

What is Global Warming

200

The outer planets

What is Jupiter, Saturn, Uranus, and Neptune

200

The 4 seasons on Earth

What is Summer, Spring, Winter, and Autumn

200
The Earth blocks the sun's rays and you can't see the moon

What is a lunar eclipse

300
The moon phase when a little more than a sliver is visible

What is the waning and waxing crescent

300
The definition of Climate Change

What is a long term change in average weather conditions such as temp and rainfall

300

A unit of measurement equal to almost 150 million kilometers

What is an Astronomical Unit

300

The season when the north hemisphere is tilted toward the sun

What is Summer

300

The phase that solar eclipses occur

What is a new moon

400

The moon phase when around 75% of the moon is visible

What are the waning and waxing gibbous

400

The steps to the greenhouse effect

1. Rays of sunlight hit the earth

2. 30% are reflected and 20% are absorbed by the atmosphere

3. 25% reach and get absorbed by the surface and 25% get reflected. 

4. The thermal rays get absorbed by greenhouse gasses

5. The rays become trapped in the atmosphere

400

A planet's movement on its axis

What is rotation

400

The season when the northern hemisphere is pointed away from the sun

What is Winter

400

The 3 types of solar eclipses

What is a total solar eclipse, partial solar eclipse, and annular solar eclipse

500

The phase when a sliver or less than a sliver of the moon is visible

What is the New Moon

500

The 6 key indicators of Climate Change

Global land and ocean temp increase, ice and glaciers melt in the poles, snow ice, and permafrost melt, global sea level rises, more frequent and extreme weather, and changes in vegetation coverage.

500

The planet's ordered from the sun

What is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune

500

The equinox

What are days when the day and night are equal

500

Why don't we see to lunar eclipses a month 

Because the earth and moon don't align perfectly every revolution