Lesson 7 of 11 · Data and Evidence

Lesson⭐ 30 XP

Evidence Versus Opinion

🧪Lab Brief #7

Data and Evidence.

🎯 Your mission

Understand the idea. Then look for it everywhere.

⚡ The twist

Nature loves to surprise the careful watcher.

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Mind = Blown

🔬 The more you look, the more nature shows you.

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Make a hypothesis first

Before you start: write down what you think will happen, and why.

What You'll Learn

Evidence is a measurement or observation anyone could repeat. An opinion is a preference. Both are legitimate, but only evidence settles a scientific question, and mixing the two is the commonest fault in a written conclusion.

Key Words

Tap a word to see its definition.

Steps

Step 1 — Read

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

Step 2 — Do

Take six statements about a local pond and sort them into evidence and opinion. For each opinion, write the measurement that would turn it into evidence.

Step 3 — Observe

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

Step 4 — Record

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

Check Your Understanding

Question 1

1 of 2

Which is evidence rather than opinion?

How sure are you going to be?😐 maybe

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Where you see this in real life

This shows up in your everyday life more than you'd think.

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Stretch Challenge

Try this in real life this week.

Try one experiment in real life this week — even a tiny one.

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For the dinner table

“What's the most surprising thing you learned today?”

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Next Smart Experiment

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