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Lesson 10 of 16 · Engineering and Design

Lesson30 XP🛠️ Engineer Shop

Spotting an Odd Result

🧪Lab Brief #10

Engineering and Design.

🎯 Your mission

Master the concept. Use it tomorrow.

⚡ The twist

The first design always fails. That's the point.

🤯

Mind = Blown

🛠️ The first computer bug was a literal moth stuck inside a machine in 1947.

🔮

Make a hypothesis first

Guess: what's the weakest part of this build?

What You'll Learn

When one measurement sits far away from the others, it is an anomaly. Look for a cause — a slipped ruler, a mistimed stopwatch — and repeat that reading. Do not simply cross it out because it spoils a neat pattern.

Key Words

Tap a word to see its definition.

Steps

Step 1Read

Read the explanation above and note the two key terms before you start.

Step 2Do

Given six timings of the same event, find the odd one out and suggest two things that could have caused it. Calculate the mean with and without it and say which you would report.

Step 3Observe

Record what actually happened, including anything that did not match what you expected.

Step 4Record

Write a conclusion that answers the question this lesson opened with, and state your uncertainty.

Check Your Understanding

Question 1

1 of 2

A result far from all the others is called an:

🌍

Where you see this in real life

Your phone, your bike, your shoes — all designed with this idea.

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Stretch Challenge

Try this in real life this week.

Build something — anything — out of stuff in your recycling bin.

👨‍👩‍👧

For the dinner table

What's something around the house you'd redesign — and how?

🎯

Next Smart Experiment

We'll pick an experiment that matches exactly how you're thinking right now.

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Send it to a parent who's looking for a 10-minute kitchen science win.

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Spotting an Odd Result

Master the concept. Use it tomorrow.

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🖨️

Checkout complete lesson on Engineering and Design for 3rd Grade

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Spotting an Odd Result — Engineering and Design | 3rd Grade Science | LittleActivity