Lesson 14 of 84 · Properties of Matter
Experiment⭐ 30 XP🧪 Potion KitchenMolecules and Compounds
Properties of Matter.
🎯 Your mission
Set it up. Test it. Be amazed.
⚡ The twist
If it bubbles, something invisible is escaping.
Mind = Blown
🧪 If you could remove all the empty space from atoms, the entire human race would fit in a sugar cube.
Make a hypothesis first
Guess: will the fizz be loud, soft, or none at all?
What You'll Learn
Molecules form when two or more atoms bond together. A water molecule has two hydrogen atoms bonded to one oxygen atom, written as H₂O.
Key Words
- condensation
- boiling
- density
Materials Needed
- salt
- sugar
- vinegar
Safety First
- Use materials only as directed in the experiment.
- Keep small objects away from young children.
- Work in a well-ventilated area when using vinegar or other strong-smelling substances.
Steps
Review the background information on Properties of Matter before starting.
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.
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 the smallest unit of an element?
Where you see this in real life
Your toothpaste, your soap, even your breakfast involves this.
Stretch Challenge
Try this in real life this week.
Ask a grown-up to help you mix two safe kitchen things. Predict what will happen first.
For the dinner table
“What's something we cook that mixes things together this way?”
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