How Can a Helicopter Fly on Mars
Interactive passage with audio narration, comprehension questions, and printable PDF.
What's included
How Can a Helicopter Fly on Mars preview and details

About this printable How Can a Helicopter Fly on Mars science reading passage, NGSS-aligned (Grade 6)
Sample passage and quiz from How Can a Helicopter Fly on Mars
Reading passage and comprehension quiz preview
How Can A Helicopter Fly On Mars With Such A Thin Atmosphere?

Meet Ingenuity: The Mars Helicopter
NASA’s Ingenuity helicopter is the first aircraft to fly on another planet. Mars is far away and has a very different environment than Earth. One big problem is Mars’ atmosphere—the layer of gases surrounding a planet. Mars’ atmosphere is only about 1% as thick as Earth’s. This means there is not much air for helicopter blades to push against. Flying on Mars is like trying to swim through air—there’s almost nothing to grab onto!
Engineering Solutions for Thin Air
How did NASA make a helicopter that could fly on Mars? Engineers used smart engineering to solve the problem. First, Ingenuity’s rotors (the helicopter blades) are extra large—about 4 feet across. That’s huge for a helicopter that weighs only 4 pounds! Second, the rotors spin super fast—about 2,400 times per minute. That’s almost five times faster than helicopter blades on Earth. Third, Ingenuity is built from lightweight materials. Every gram saved makes it easier to lift off. Finally, Ingenuity uses a special, powerful motor that works well in thin air.
Helpful Martian Gravity and Autonomous Flying
Mars has only 38% of Earth’s gravity. This means it’s easier for things to lift off the ground there. But there’s another challenge: it takes radio signals 5 to 20 minutes to travel from Earth to Mars. That’s too long for joystick flying! Ingenuity has to fly autonomously, meaning it controls itself using its own computer brain.
Ingenuity’s Achievements and the Future
Ingenuity made its first flight in April 2021. NASA planned for five flights, but Ingenuity completed over 70! Each mission, it flew higher and farther. Ingenuity taught us that flying robots could help explore Mars, scout for rovers, and reach places wheels cannot go. When engineers faced a “too thin air” problem, they invented new solutions instead of giving up!
Interesting Fact: Ingenuity’s blades spin so fast that, if you listened on Mars, you’d hear a very high-pitched buzz—much higher than on Earth!
Comprehension quiz (8 questions)
1. What is Ingenuity?
2. Why is it hard to fly on Mars?
3. How many flights did Ingenuity do?
4. What helps Ingenuity lift off on Mars?
5. Why do Ingenuity’s blades spin so fast?
6. What does 'autonomously' mean?
7. Ingenuity is made of heavy materials. True or false?
8. What are rotors?
Perfect for the way you teach
- Build comprehension skills
- Auto-graded quiz
- Differentiated reading
- Read together at home
- Improve fluency
- Quiet reading time
- Reading curriculum support
- Independent practice
- Track Lexile growth


