Parenting With Purpose sprout mascotParentingWithPurpose

Discovery Rangers

Mars Drones Break Sound Barrier: Supersonic Speeds on the Red Planet. Ranger Mission

parentingwithpurpose.help

Back to the episode
Space ScienceRanger MissionAges 4-12 · 2 min

Mars Drones Break Sound Barrier: Supersonic Speeds on the Red Planet

A hands-on field mission for the Discovery Rangers episode.

Listen to the episode

In this episode of Discovery Rangers, we're zooming in on supersonic speeds on Mars! We learned that some Mars drones can fly faster than the speed of sound there. Let's explore how fast that really is!

The Big Question

How can we imagine something going faster than sound?

What You'll Need

  • A stopwatch or timer (phone works great!)
  • A large open space (indoors or outdoors)
  • A loud, sharp noise maker (like clapping your hands, a whistle, or a toy horn)

Mission Steps

  1. Gather Your Gear. Find your open space and have your noise maker and timer ready.
  2. Listen for the Boom. Have one person stand at one end of the space. The other person stands at the other end with the timer.
  3. Make a Sound. The person with the noise maker will make a very quick, loud sound (like a clap). The person with the timer starts it immediately when they see the sound being made.
  4. Stop the Timer. The person with the timer stops it as soon as they hear the sound. Record the time.
  5. Repeat and Compare. Do this a few times. Does the time change much? Now, imagine if you could react faster than that time, that’s kind of like going supersonic!

Talk About It

  • What did your timer show for how long it took to hear the sound?
  • Why do you think it takes time for us to hear a sound after it’s made?
  • How might going faster than sound help explorers on Mars?

Take It Further

For older rangers (9-12), research the actual speed of sound on Earth and on Mars. Calculate how much faster a Mars drone's rotor blades would have to spin to break the sound barrier on Mars compared to the speed of sound on Earth.

FAQ

Q: My kids can't clap loud enough for the timer. What can we do? A: Try a whistle or a toy horn, or have one person see the clap and shout "Now!" for the timer person to start. Q: Is this related to the sonic boom cars make? A: Yes! When a jet or rocket goes faster than the speed of sound, it creates a sonic boom, which is a type of sound wave shockwave. Q: Why is the speed of sound different on Mars? A: The speed of sound depends on the temperature and the type of gas in the air. Mars' atmosphere is much colder and thinner than Earth's.

The Ranger Field Mission

Works after any episode · Any age · No equipment

Run this after every episode to turn listening into something your child actually keeps. Do as many steps as they have energy for — even one counts.

  1. 1

    Say it back

    Before snacks or screens, ask your Ranger to teach you the one big idea — as if you'd never heard it.

  2. 2

    Find it in the wild

    Hunt for one real example of today's idea — in the kitchen, the yard, the sky, or the sidewalk. Point at it and name it.

  3. 3

    Make something

    Draw it, build it from what's on the table, act it out, or record a 20-second “Ranger report.” Making it forces real understanding.

  4. 4

    Ask the next question

    Finish with “What's one thing the episode didn't answer?” Stick it on the fridge — that's the start of the next adventure.

Keep exploring

This mission is part of Parenting With Purpose - free tools that turn everyday moments into real learning. Browse every episode in the Library or open the Discovery Rangers podcast.

Built free by Parenting With Purpose · parentingwithpurpose.help · Pass it on.