Robotics · lesson 1 of 30 · free

What is a robot? — Robotics for kids

A robot is a machine that can sense what is around it, think (its program decides what to do) and act by itself — move, pick something up, beep or light up. A bicycle or a pair of scissors only does what we push it to do, so it is a machine but not a robot. A floor-cleaning robot that feels walls and turns away is a robot. Robots can look like arms, little cars, boxes or animals — they do not have to look like people.

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Robot tip

Sense, think, act — “a robot notices its world, decides with a program and then does something by itself”

  1. A robot senses (sensors), thinks (a controller runs a program) and acts (motors and other parts).
  2. If a machine only moves when a person pushes or controls it, and cannot sense or decide, it is not a robot.
  3. The shape does not matter: arms, cars, boxes and drones can all be robots.

Use it for: The first robotics lesson, science lessons on machines and spotting robots at home, in shops and on the news.

Worked example: 🤖 Is a planet rover a robot? → a robot

  1. A planet rover senses rocks and slopes with cameras and sensors.
  2. Its program decides where to drive, and its motors move it — it senses, thinks and acts, so it is a robot.

Check: A wheelbarrow needs a person to push it — not a robot ✓

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🏁 Lesson 1 test

20 questions. Check each answer, then go to the next one. Get 16 or more right to pass.

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🖨️ Robotics Worksheet: What Is a Robot?

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