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Lesson 1 of 16 · Engineering and Design

Lesson30 XP🛠️ Engineer Shop

The Scientific Method

🧪Lab Brief #1

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

The scientific method is a systematic approach to investigating questions. It involves making observations, forming hypotheses, conducting experiments, analyzing data, and drawing conclusions.

Key Words

Tap a word to see its definition.

Steps

Step 1Read

Look at the vocabulary words and write a definition for each in your own words.

Step 2Do

Design an experiment to test a hypothesis. Identify your independent variable, dependent variable, and controls. Run the experiment and present results.

Step 3Observe

Draw a detailed diagram of what you observe.

Step 4Record

Write a conclusion: what did your results show? Did they match your prediction?

Check Your Understanding

Question 1

1 of 3

What is a scientific model?

🌍

Where you see this in real life

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

🏆

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.

🧬Share card

Share this experiment

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

Ready?

The Scientific Method

Master the concept. Use it tomorrow.

Full screen — no distractions

🖨️

Checkout complete lesson on Engineering and Design for 3rd Grade

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The Scientific Method — Engineering and Design | 3rd Grade Science | LittleActivity