Lesson 3 of 10 · Data and Evidence
Lesson⭐ 30 XPAccuracy Versus Precision
Data and Evidence.
🎯 Your mission
Learn the rule. Then catch nature using it.
⚡ 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
Accuracy describes how close a measurement is to the true value, while precision describes how close repeated measurements are to one another. A trustworthy result should be both accurate and precise.
Key Words
Tap a word to see its definition.
Steps
Look at the vocabulary words and write a definition for each in your own words.
Design an experiment to test a hypothesis. Identify your independent variable, dependent variable, and controls. Run the experiment and present results.
Use your senses (except taste) to describe what you notice.
Write a summary of your findings in 3-5 sentences.
Check Your Understanding
Question 1
1 of 3What makes a good scientific investigation?
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?
Accuracy Versus Precision
Learn the rule. Then catch nature using it.
Full screen — no distractions
Checkout complete lesson on Data and Evidence for 8th Grade
Get the full Data and Evidence track as a printable PDF — all lessons, worksheets, and answer keys.