Lesson 26 of 84 · Matter and Reactions
Experiment⭐ 30 XP🧪 Potion KitchenThe Particle Model of Matter
Matter and Reactions.
🎯 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
A mixture contains two or more substances that are not chemically combined. You can often separate a mixture using physical methods like filtering, evaporating, or using a magnet.
Key Words
- melting
- freezing
Materials Needed
- paper towels
- thermometer
- strainer
- ice cubes
- salt
Safety First
- Keep small objects away from young children.
Steps
Read about Matter and Reactions and write down three key facts.
Separate a mixture of sand, salt, and iron filings using a magnet, water, and a filter. Record each step and what you separated.
Draw a detailed diagram of what you observe.
Write a conclusion: what did your results show? Did they match your prediction?
Check Your Understanding
Question 1
1 of 3What is sublimation?
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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