Lesson 43 of 84 · Data and Evidence
Simulation⭐ 30 XPControl Groups in Experiments (Part 2)
Data and Evidence.
🎯 Your mission
Play with the model. Break it. Understand 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
A controlled experiment compares an experimental group that receives the treatment with a control group that does not. The control group acts as a baseline, so any difference in results can be traced to the variable being tested.
Key Words
Tap a word to see its definition.
Steps
Read about Data and Evidence and write down three key facts.
Create a solar oven from a pizza box lined with foil. Measure the temperature inside on a sunny day. Try melting chocolate or cheese.
Note any unexpected results and think about why they happened.
Share your findings with the class or a partner and discuss what you learned.
Check Your Understanding
Question 1
1 of 3What is a scientific model?
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.
Checkout complete lesson on Data and Evidence for 7th Grade
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