Mars

Mars is the fourth planet from the Sun in our solar system and is commonly referred to as the "Red Planet" due to its reddish appearance.

Basic Facts about Mars

• Orbital Period: 687 Earth days
• Surface Temperature: -87 to -5 degrees Celsius (-125 to 23 degrees Fahrenheit)
• Atmosphere: Thin, primarily composed of carbon dioxide
• Moons: Mars has two small moons, Phobos and Deimos

Physical Features of Mars

Mars has distinct surface features, including:

• Olympus Mons: The tallest volcano in the solar system, located on Mars
• Valles Marineris: A vast canyon system on Mars, much larger than the Grand Canyon on Earth
• Reddish Color: Due to the presence of iron oxide (rust) on its surface

Potential for Life on Mars

Scientists have been investigating the possibility of past or present life on Mars. Some key points include:

• The presence of water ice and evidence of ancient rivers and lakes suggest that Mars may have once had conditions suitable for life
• Ongoing missions, such as the Mars rovers, continue to search for signs of microbial life

Study Guide

Here are some key points to remember when studying Mars:

1. What is the nickname for Mars and why is it called that?
2. Describe the Martian atmosphere and temperature range.
3. List at least two prominent surface features of Mars.
4. What are the names of Mars' moons?
5. Discuss the potential for life on Mars and the ongoing scientific research in this area.

[Mars] Related Worksheets and Study Guides:

• Our Solar SystemScience • Seventh Grade
• The solar systemScience • Third Grade