Lesson 65 of 84 ยท Properties of Matter
Experimentโญ 30 XP๐งช Potion KitchenPlasma: The Fourth State (Part 2)
Properties of Matter.
๐ฏ Your mission
Set it up. Test it. Be amazed.
โก The twist
If it bubbles, something invisible is escaping.
Mind = Blown
๐งช 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
Catalysts speed up chemical reactions without being consumed. Enzymes are biological catalysts that help reactions happen in living organisms at body temperature.
Key Words
- freezing point
- gas
Materials Needed
- plastic bottles
- balloons
- measuring cups
- paper towels
Safety First
- Keep small objects away from young children.
- Work in a well-ventilated area when using vinegar or other strong-smelling substances.
Steps
Study the diagram and label the parts you recognize.
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.
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 is an example of a physical change?
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
โWhat's something we cook that mixes things together this way?โ
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 Properties of Matter for 4th Grade
Get the full Properties of Matter track as a printable PDF โ all lessons, worksheets, and answer keys.
