Lesson 58 of 84 · Matter and Atoms
Experiment⭐ 30 XP🧪 Potion KitchenChemical Formulas: Reading the Code (Part 2)
Matter and Atoms.
🎯 Your mission
Run the experiment. Find out what really happens.
⚡ The twist
If it bubbles, something invisible is escaping.
Mind = Blown
💧 Hot water can freeze faster than cold water under the right conditions. Nobody fully understands why.
Make a hypothesis first
Guess: will the fizz be loud, soft, or none at all?
What You'll Learn
Chemical formulas show the types and numbers of atoms in a molecule. CO₂ has one carbon and two oxygen atoms. The subscript tells how many of each atom.
Key Words
- exothermic
- reactant
- product
Materials Needed
- thermometer
- strainer
- ice cubes
- salt
- sugar
Safety First
- Adult supervision recommended.
- Do not taste any materials.
- Wear safety goggles when mixing liquids.
Steps
Read the introduction and identify the main idea of this lesson.
Build a model of an atom using craft supplies. Show protons, neutrons, and electrons in the correct arrangement. Label each particle.
Watch carefully for any changes and note the time.
Create a data table to organize your measurements.
Check Your Understanding
Question 1
1 of 3What type of substance speeds up a chemical reaction without being used up?
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?”
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