Lesson 51 of 84 · Properties of Matter
Lesson⭐ 30 XP🧪 Potion KitchenProperties of Materials (Part 2)
Properties of Matter.
🎯 Your mission
Master the concept. Use it tomorrow.
⚡ The twist
Mixing two safe things doesn't always make a safe thing.
Mind = Blown
💧 Hot water can freeze faster than cold water under the right conditions. Nobody fully understands why.
Make a hypothesis first
Predict: will the mixture get hotter, colder, or stay the same?
What You'll Learn
A compound's properties differ from its elements. Sodium is a reactive metal and chlorine is a toxic gas, but together they form sodium chloride—common table salt.
Key Words
- boiling
- density
- mass
Steps
Read about Properties of Matter and write down three key facts.
Conduct a chromatography experiment: use a coffee filter and markers to separate the pigments in different colored inks.
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 a solution?
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?”
Next Smart Experiment
We'll pick an experiment that matches exactly how you're thinking right now.
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Send it to a parent who's looking for a 10-minute kitchen science win.
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