The Moon
The moon is Earth's only natural satellite. It is the fifth largest moon in the solar system. Here are some key points to understand about the moon:
Phases of the Moon
The moon goes through a cycle of phases as it orbits the Earth. The phases include:
- New Moon: The moon is not visible from Earth
- Waxing Crescent: A small sliver of the moon is visible
- First Quarter: Half of the moon is visible
- Waxing Gibbous: Most of the moon is visible
- Full Moon: The entire face of the moon is visible
- Waning Gibbous: Most of the moon is still visible
- Last Quarter: Half of the moon is visible
- Waning Crescent: A small sliver of the moon is visible
Surface Features
The moon's surface is marked by craters, plains, and mountains. Some notable features include:
- Maria: Dark, flat areas on the moon's surface formed by ancient volcanic eruptions
- Craters: Bowl-shaped indentations on the moon's surface caused by impacts from asteroids and meteoroids
- Highlands: Bright, mountainous regions on the moon
Moon's Role on Earth
The moon has several important effects on Earth, including:
- Tides: The gravitational pull of the moon causes the Earth's oceans to bulge, creating high tides and low tides
- Stabilizing Earth's Axis: The moon helps stabilize the tilt of Earth's axis, which is important for maintaining stable climate conditions
- Light Reflection: The moon reflects sunlight, providing nighttime illumination on Earth
Study Tips
When studying the moon, consider the following tips:
- Use visual aids such as diagrams and photographs to understand the moon's surface features
- Observe the moon's phases over a period of time to understand the cycle
- Learn about the historical and cultural significance of the moon in different societies
[Moon] Related Worksheets and Study Guides:
.◂Chemistry Worksheets and Study Guides High School. Matter and Energy
Worksheet/Answer key
Matter and Energy 
Worksheet/Answer key
Matter and Energy Worksheet/Answer key
Matter and Energy
Worksheet/Answer keyWorksheet/Answer keyThe resources above cover the following skills:
PHYSICAL SCIENCE (NGSS)
Matter and Its Interactions
Students who demonstrate understanding can:
Develop a model to illustrate that the release or absorption of energy from a chemical reaction system depends upon the changes in total bond energy.
Energy
Students who demonstrate understanding can:
Develop and use models to illustrate that energy at the macroscopic scale can be accounted for as either motions of particles or energy stored in fields.