Lesson 3 of 9 · Data and Evidence
Lesson⭐ 30 XPChoosing the Right Graph
Data and Evidence.
🎯 Your mission
Understand the idea. Then look for it everywhere.
⚡ The twist
Nature loves to surprise the careful watcher.
Mind = Blown
🔬 The more you look, the more nature shows you.
Make a hypothesis first
Before you start: write down what you think will happen, and why.
What You'll Learn
A bar chart compares separate categories; a line graph shows how one continuous quantity changes with another; a scatter plot looks for a relationship between two measurements. Choosing wrongly hides the pattern you measured.
Key Words
Tap a word to see its definition.
Steps
Read the explanation above and note the two key terms before you start.
Take three supplied data sets — favourite lunch by class, temperature through one day, and height against shoe size — and decide which graph each needs. Draw all three and write one sentence per graph saying what it reveals.
Record what actually happened, including anything that did not match what you expected.
Write a conclusion that answers the question this lesson opened with, and state your uncertainty.
Check Your Understanding
Question 1
1 of 2Temperature recorded every hour is best shown as a:
Where you see this in real life
This shows up in your everyday life more than you'd think.
Stretch Challenge
Try this in real life this week.
Try one experiment in real life this week — even a tiny one.
For the dinner table
“What's the most surprising thing you learned today?”
Next Smart Experiment
We'll pick an experiment that matches exactly how you're thinking right now.
Share this experiment
Send it to a parent who's looking for a 10-minute kitchen science win.
Ready?
Choosing the Right Graph
Understand the idea. Then look for it everywhere.
Full screen — no distractions
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