Lesson 13 of 84 · Properties of Matter
Lesson⭐ 30 XP🧪 Potion KitchenConservation of Mass
Properties of Matter.
🎯 Your mission
Learn the rule. Then catch nature using it.
⚡ The twist
Color changes mean atoms are rearranging — even if you can't see them.
Mind = Blown
🌈 Every color you see is your brain inventing a translation of light frequencies.
Make a hypothesis first
Before you mix: what color do you think it'll turn?
What You'll Learn
Conservation of mass means that matter cannot be created or destroyed in a chemical reaction. If you start with 10 grams of reactants, you end with 10 grams of products.
Key Words
- evaporation
- condensation
Steps
Read the introduction and identify the main idea of this lesson.
Test 5 household liquids (vinegar, milk, lemon juice, baking soda water, soap) with pH paper. Classify each as acid, base, or neutral.
Compare the before and after states.
Write your conclusion: did the results match your hypothesis? What would you change next time?
Check Your Understanding
Question 1
1 of 3What does conservation of mass mean?
Where you see this in real life
This is happening in your kitchen right now — every time food cooks.
Stretch Challenge
Try this in real life this week.
Find one ingredient in a snack and look up what it does.
For the dinner table
“What's something we cook that mixes things together this way?”
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.
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