All About Mars
START
Image Credit: NASA
Click on the colorful rocket to open the lesson.
Mars Rovers
All About Mars
Rover Puzzle
Mars's Moons
Quiz
Get Your Badge!
Mars
Mars is the fourth planet from the Sun, and it appears red because of the iron in its rocks, soil, and dust.
Watch these videos:
Continue
Image Credit: NASA
How big is Mars?
Mars is about half the size of Earth.
Continue
Image Credit: NASA
Olympus Mons
Olympus Mons is not only the tallest volcano on Mars, it's the tallest volcano in the entire solar system!
Watch this video:
Continue
Image Credit: NASA
How long is one day on Mars?
One day on Mars is 24 hours, 37 minutes, and 22 seconds. This means it takes Mars 24 hours, 37 minutes, and 22 seconds to complete one full spin. On Earth, it takes 23 hours, 56 minutes, and 4 seconds to complete one full spin.
Continue
Image Credit: NASA
How long is one year on Mars?
One year on Mars is 687 Earth days. This means is takes Mars 687 Earth days to orbit the Sun one time. On Earth, one year is 365.25 days.
The Sun
Continue
Image Credit: NASA
How cold is Mars?
The average temperature on the surface of Mars is about -81°F to -85°F. On Earth, the average surface temperature is 59°F. Do you want to see what the weather on Mars is right now? Click on Mars!
Continue
Image Credit: NASA
How far is Mars from the Sun?
Mars is about 142 million miles from the Sun. Earth is about 93 million miles from the Sun. The distance between the Sun and Earth is called an Astronomical Unit, or AU, so this means that Earth is 1 AU from the Sun. Mars is about 1.5 AU from the Sun.
Continue
Image Credit: NASA
Click on the colorful rocket to open the lesson.
Mars Rovers
All About Mars
Rover Puzzle
Mars's Moons
Quiz
Get Your Badge!
We haven't sent humans to Mars yet, but we explore the planet using rovers. Exploring Mars with rovers allows us to learn about the planet's environment.
This rover's name is Spirit. It landed on Mars in 2004.
Continue
Image Credit: NASA
Rovers like Curiosity and Perseverence are equipped with cameras, scientific instruments, and robotic arms. They travel across Mars, analyzing rocks and soil, taking pictures, and conducting experiments.
This is Curiosity, exploring Mars.
Continue
Image Credit: NASA
These rovers send data back to Earth, helping scientists study Mars's geology, climate, and potential for past life. This robotic exploration is crucial for planning future human missions to Mars.
This is Perseverence. It landed on Mars in 2021 and is still exploring today.
Continue
Image Credit: NASA
NASA has sent five rovers to Mars so far, and a Mars helicopter. This illustration is etched onto a metal plate on the Perseverence rover!
This is Perseverence. You have probably noticed that all the Mars rovers look very similar to one another!
Mars Helicopter
Perseverence
Opportunity
Sojourner
What do you think of the rovers' names? How do they reflect the adventures of exploring Mars?
Curiosity
Spirit
Continue
Image Credit: NASA
Watch this video to learn how to get to Mars.
Continue
Image Credit: NASA
Watch this video to learn about how to land on Mars.
Continue
Image Credit: NASA
Watch this video to learn about how rovers drive on Mars.
Continue
Image Credit: NASA
Click on the colorful rocket to open the lesson.
Mars Rovers
All About Mars
Rover Puzzle
Mars's Moons
Quiz
Get Your Badge!
Continue
Image Credit: NASA
Click on the colorful rocket to open the lesson.
Mars Rovers
All About Mars
Rover Puzzle
Mars's Moons
Quiz
Get Your Badge!
Mars's Moons
Mars has two moons. Click on each moon below to learn more.
Phobos
Deimos
Continue
Image Credit: NASA
Click on the colorful rocket to open the lesson.
Mars Rovers
All About Mars
Rover Puzzle
Mars's Moons
Quiz
Get Your Badge!
mars
QUIZ
START
01/10
Mars is the fourth planet from the Sun.
True
False
02/10
How many Moons does Mars have?
03/10
How far is Mars from the Sun?
1 AU
1.5 AU
04/10
Which picture shows Mars?
Image Credit: NASA
05/10
Mars is red because its rocks, soil, and dust contain _____.
salt
calcium
iron
06/10
What is the average temperature on the surface of Mars?
-25°F
-85°F
-180°F
07/10
How long is one year on Mars?
687 Earth days
452 Earth days
08/10
How long is one day on Mars?
24 hours, 37 minutes, 22 seconds
20 hours, 50 minutes, 10 seconds
09/10
What are the names of Mars's moons?
Phobos and Deimos
Ganymede and Io
10/10
Which one of Mars's moons may crash into Mars (or break apart) and create rings around Mars in 50 million years?
Deimos
Phobos
Quiz completed!
Continue
Click on the colorful rocket to open the lesson.
Mars Rovers
All About Mars
Rover Puzzle
Mars's Moons
Quiz
Get Your Badge!
Congratulations!
You have earned your Mars badge!
Back to Start
Image Credit: NASA
Phobos
Phobos is slowly traveling inward towards Mars. It is predicted that in about 50 million years, Phobos will crash into Mars or break apart. Mars has no rings, but when Phobos crashes into Mars (or breaks apart), it could create rings for Mars! Wouldn't it be so cool to see Mars with rings?
Deimos
Deimos is much smaller than Phobos and has a smoother surface with fewer craters. Deimos is one of the smallest moons in the solar system.
Image Credit: NASA
Image Credit: NASA
All About Mars - Full Lesson
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Transcript
All About Mars
START
Image Credit: NASA
Click on the colorful rocket to open the lesson.
Mars Rovers
All About Mars
Rover Puzzle
Mars's Moons
Quiz
Get Your Badge!
Mars
Mars is the fourth planet from the Sun, and it appears red because of the iron in its rocks, soil, and dust.
Watch these videos:
Continue
Image Credit: NASA
How big is Mars?
Mars is about half the size of Earth.
Continue
Image Credit: NASA
Olympus Mons
Olympus Mons is not only the tallest volcano on Mars, it's the tallest volcano in the entire solar system!
Watch this video:
Continue
Image Credit: NASA
How long is one day on Mars?
One day on Mars is 24 hours, 37 minutes, and 22 seconds. This means it takes Mars 24 hours, 37 minutes, and 22 seconds to complete one full spin. On Earth, it takes 23 hours, 56 minutes, and 4 seconds to complete one full spin.
Continue
Image Credit: NASA
How long is one year on Mars?
One year on Mars is 687 Earth days. This means is takes Mars 687 Earth days to orbit the Sun one time. On Earth, one year is 365.25 days.
The Sun
Continue
Image Credit: NASA
How cold is Mars?
The average temperature on the surface of Mars is about -81°F to -85°F. On Earth, the average surface temperature is 59°F. Do you want to see what the weather on Mars is right now? Click on Mars!
Continue
Image Credit: NASA
How far is Mars from the Sun?
Mars is about 142 million miles from the Sun. Earth is about 93 million miles from the Sun. The distance between the Sun and Earth is called an Astronomical Unit, or AU, so this means that Earth is 1 AU from the Sun. Mars is about 1.5 AU from the Sun.
Continue
Image Credit: NASA
Click on the colorful rocket to open the lesson.
Mars Rovers
All About Mars
Rover Puzzle
Mars's Moons
Quiz
Get Your Badge!
We haven't sent humans to Mars yet, but we explore the planet using rovers. Exploring Mars with rovers allows us to learn about the planet's environment.
This rover's name is Spirit. It landed on Mars in 2004.
Continue
Image Credit: NASA
Rovers like Curiosity and Perseverence are equipped with cameras, scientific instruments, and robotic arms. They travel across Mars, analyzing rocks and soil, taking pictures, and conducting experiments.
This is Curiosity, exploring Mars.
Continue
Image Credit: NASA
These rovers send data back to Earth, helping scientists study Mars's geology, climate, and potential for past life. This robotic exploration is crucial for planning future human missions to Mars.
This is Perseverence. It landed on Mars in 2021 and is still exploring today.
Continue
Image Credit: NASA
NASA has sent five rovers to Mars so far, and a Mars helicopter. This illustration is etched onto a metal plate on the Perseverence rover!
This is Perseverence. You have probably noticed that all the Mars rovers look very similar to one another!
Mars Helicopter
Perseverence
Opportunity
Sojourner
What do you think of the rovers' names? How do they reflect the adventures of exploring Mars?
Curiosity
Spirit
Continue
Image Credit: NASA
Watch this video to learn how to get to Mars.
Continue
Image Credit: NASA
Watch this video to learn about how to land on Mars.
Continue
Image Credit: NASA
Watch this video to learn about how rovers drive on Mars.
Continue
Image Credit: NASA
Click on the colorful rocket to open the lesson.
Mars Rovers
All About Mars
Rover Puzzle
Mars's Moons
Quiz
Get Your Badge!
Continue
Image Credit: NASA
Click on the colorful rocket to open the lesson.
Mars Rovers
All About Mars
Rover Puzzle
Mars's Moons
Quiz
Get Your Badge!
Mars's Moons
Mars has two moons. Click on each moon below to learn more.
Phobos
Deimos
Continue
Image Credit: NASA
Click on the colorful rocket to open the lesson.
Mars Rovers
All About Mars
Rover Puzzle
Mars's Moons
Quiz
Get Your Badge!
mars
QUIZ
START
01/10
Mars is the fourth planet from the Sun.
True
False
02/10
How many Moons does Mars have?
03/10
How far is Mars from the Sun?
1 AU
1.5 AU
04/10
Which picture shows Mars?
Image Credit: NASA
05/10
Mars is red because its rocks, soil, and dust contain _____.
salt
calcium
iron
06/10
What is the average temperature on the surface of Mars?
-25°F
-85°F
-180°F
07/10
How long is one year on Mars?
687 Earth days
452 Earth days
08/10
How long is one day on Mars?
24 hours, 37 minutes, 22 seconds
20 hours, 50 minutes, 10 seconds
09/10
What are the names of Mars's moons?
Phobos and Deimos
Ganymede and Io
10/10
Which one of Mars's moons may crash into Mars (or break apart) and create rings around Mars in 50 million years?
Deimos
Phobos
Quiz completed!
Continue
Click on the colorful rocket to open the lesson.
Mars Rovers
All About Mars
Rover Puzzle
Mars's Moons
Quiz
Get Your Badge!
Congratulations!
You have earned your Mars badge!
Back to Start
Image Credit: NASA
Phobos
Phobos is slowly traveling inward towards Mars. It is predicted that in about 50 million years, Phobos will crash into Mars or break apart. Mars has no rings, but when Phobos crashes into Mars (or breaks apart), it could create rings for Mars! Wouldn't it be so cool to see Mars with rings?
Deimos
Deimos is much smaller than Phobos and has a smoother surface with fewer craters. Deimos is one of the smallest moons in the solar system.
Image Credit: NASA
Image Credit: NASA