Lesson 60 of 84 · Properties of Matter
Lesson⭐ 30 XP🧪 Potion KitchenMatter and Its Properties (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
Phase diagrams show how temperature and pressure affect the state of matter. Water's triple point is where solid, liquid, and gas phases all exist simultaneously.
Key Words
- chemical change
- temperature
Steps
Study the diagram and label the parts you recognize.
Test how temperature affects dissolving: dissolve sugar in cold, warm, and hot water. Count stirs needed for each and create a data table.
Look for patterns in your observations.
Make a graph or chart showing your results.
Check Your Understanding
Question 1
1 of 3Which state of matter fills its entire container?
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.
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 — all lessons, worksheets, and answer keys.