Caveat Academy course · Grades 3 to 5

Rockets and Spacecraft: how we leave the Earth and explore space

Find out how a rocket really works and why it flies even better where there is no air, follow rockets from Chinese fire arrows to Goddard's 2.5-second flight and Sputnik, learn why the space station is always falling and never lands, ride along on Apollo 11, see how astronauts sleep, eat and walk in space, and build a straw rocket that flies straight because you put its balance point in the right place. Six modules at your own pace.

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$19one-time · every device you sign in on
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Included with the Caveat Academy pass and Whole-school licenses. Or get it in the Elementary explorers set, $49 for 6 items.

6 modules · 18 lessonsabout 13 hours$19

Six modules, eighteen lessons

Each module ends with a practice set that tracks mastery, an explain-it-back prompt, a short written response and a module exam. The final opens when every module is proficient; passing it earns a certificate with a verification code.

  1. Module 1: How rockets work

    Use Newton's third law to explain how a rocket makes thrust, compare thrust, weight and drag, and explain why a rocket carries its own oxidizer.

    • Push back, go forward
    • Thrust, weight and drag
    • Fuel, oxygen and engines
    about 2.1 h

  2. Module 2: From fire arrows to the first satellites

    Describe the history of rockets from Chinese fire arrows to Goddard's first liquid rocket and the first satellites and astronauts, and place key events in order.

    • The first rockets
    • Robert Goddard's first liquid rocket
    • The space race begins
    about 2.1 h

  3. Module 3: Getting to space and into orbit

    Explain where space begins, how an orbit works as falling around Earth and why rockets are built in stages.

    • Where space begins
    • Falling around the Earth
    • Rocket stages
    about 2.1 h

  4. Module 4: Going to the Moon

    Explain how the Apollo program reached the Moon, describe Apollo 11 and Apollo 13 and compute weight on the Moon from Earth weight.

    • The Apollo program and the Saturn V
    • Apollo 11: the first Moon landing
    • After Apollo 11 and the return to the Moon
    about 2.1 h

  5. Module 5: Spacecraft and life in space

    Compare satellites, telescopes, probes, landers, rovers and crewed capsules, and explain how astronauts live, work and stay safe in space.

    • Satellites, probes and rovers
    • Living on a space station
    • Spacesuits and spacewalks
    about 2.1 h

  6. Module 6: Design, build and test

    Design a stable rocket using the center of mass and center of pressure, test one variable at a time and use averages to improve a design.

    • Stable rockets: nose, fins and balance
    • Building and testing a straw rocket
    • Engineers, teamwork and the future
    about 2.1 h

Try it before you start

This is how every lesson works: step through a worked example at your own pace, then answer a check and get the reason right away. Nothing here is saved; the course keeps your progress.

Module 6 · Stable rockets: nose, fins and balance

Worked example: fixing a wobbly paper rocket

  1. A paper rocket wobbles and loops over in flight.

A lesson check from each module

The checks need JavaScript turned on. The course itself works the same way.

What you get

Academics · Elementary$19 · included with the Academy pass and Whole-school licenses

What you finish with
A finished first course in rockets and spaceflight: you can use Newton's third law to explain thrust, compare thrust, weight and drag and decide whether a rocket will lift off, explain why rockets carry an oxidizer and how solid and liquid engines differ, tell the story of rockets from fire arrows to Goddard, Sputnik, Gagarin and Tereshkova, explain where space begins, why an orbit is falling around Earth and why rockets have stages, describe Apollo 11 and Apollo 13, compute weight on the Moon, compare satellites, probes, landers and rovers, explain how astronauts live and work in space, and design and fairly test a stable rocket using its center of mass and center of pressure. Passing the final earns a Caveat certificate of completion.
Who it is for
Children in grades 3 to 5 who love rockets, astronauts and building things, reading on their own or with a grown-up, and homeschool families looking for a space science unit with real physics, real history and hands-on builds. The builds use balloons, straws, paper and tape; the stomp or air-pressure rocket needs a grown-up and safety glasses, and nothing in the course burns.
Format
An online self-paced course: 6 modules and 18 lessons with worked examples you reveal step by step, 144 practice and exam items (multiple choice, numeric, fill-in and ordering), an explain-it-back prompt and a rubric-checked short response in every module, module exams with one retake, a 24-question final and a certificate with a verification code. About 13 hours in all; works on a phone or a computer.
Access
$19 one-time, yours on every device you sign in on; the course opens once you are signed in with it. Included with the Caveat Academy pass and Whole-school licenses. Also in the Elementary explorers set ($49) and the Academics Suite pass ($149), and 1 more bundle. Progress is saved in this browser on this device, and the certificate page lets you download your record.
Where it lives
The Elementary space in Caveat Academics.
Support
Access, a receipt, a refund or a correction to the course: team@caveatacademic.com.

How it works

  1. Open the course and start Module 1. Each lesson takes about 25 to 35 minutes; two or three a week finishes the course in about a semester.
  2. Answer the checks as you read. Every answer shows the reason, and a miss links you back to the lesson that covers it.
  3. Finish each module with its practice set and exam. Proficient on every module opens the final; 70 percent passes it.
  4. Print or download your certificate and record from the certificate page.

Start the course

Sources and accuracy

The lessons are original writing by Caveat Academic Services. Facts were checked against these free, open references, which are also good places to read further.

  1. NASA Glenn Research Center, Beginner's Guide to Rockets: Newton's laws, thrust, stability and the center of pressure: grc.nasa.gov
  2. NASA, Rockets Educator Guide, including straw and air-pressure rocket activities: nasa.gov
  3. NASA History Office, Apollo program and Apollo 11 mission records: nasa.gov
  4. NASA Goddard Space Flight Center, the life and rockets of Robert Goddard: nasa.gov
  5. Smithsonian National Air and Space Museum, Sputnik, the space race and spacesuits: airandspace.si.edu
  6. NASA Jet Propulsion Laboratory, the Voyager, Perseverance and Ingenuity missions: jpl.nasa.gov

Rockets and Spacecraft is a self-paced enrichment course from Caveat Academic Services. It teaches space science and engineering for grades 3 to 5; it does not replace a school science course and awards no credit. The builds use air, a balloon or a stomp for power and never rocket motors, fuels or fire; bigger launches need a grown-up, an open outdoor space and safety glasses. Space missions change quickly, so the lessons stick to well-established history and science. Support: team@caveatacademic.com.