Lesson 76 of 84 · Chemical Reactions
Lesson⭐ 30 XP🧪 Potion KitchenMixtures and Solutions (Part 3)
Chemical Reactions.
🎯 Your mission
Understand the idea. Then look for it everywhere.
⚡ The twist
Mixing two safe things doesn't always make a safe thing.
Mind = Blown
🌈 Every color you see is your brain inventing a translation of light frequencies.
Make a hypothesis first
Predict: will the mixture get hotter, colder, or stay the same?
What You'll Learn
Solutions are special mixtures where one substance dissolves completely in another. Salt water is a solution where salt (solute) dissolves in water (solvent).
Key Words
- neutron
- electron
Steps
Read about Chemical Reactions and write down three key facts.
Mix baking soda and vinegar in a sealed bag. Weigh the bag before and after. Did the mass change? Explain why or why not using the law of conservation of mass.
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 3How is a compound different from a mixture?
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
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