Lesson 38 of 84 · Matter
Experiment⭐ 30 XP🧪 Potion KitchenWhat Is Temperature? (Part 2)
What Is Temperature? (Part 2).
🎯 Your mission
Predict it first. Then prove yourself right (or wrong).
⚡ 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
Temperature affects matter. Heat makes ice melt, and cold makes water freeze.
Key Words
- freeze
- dissolve
- heat
Materials Needed
- sugar
- vinegar
- baking soda
- cups
Safety First
- Dispose of materials properly after the experiment.
Steps
Read the introduction. What is this lesson about?
Mix salt into warm water and cold water. Stir 20 times each. Which dissolves faster?
Look for something that changed. What is it?
Circle the correct answer on your worksheet.
Check Your Understanding
Question 1
1 of 3What tool measures temperature?
Where you see this in real life
This is happening in your kitchen right now — every time food cooks.
Stretch Challenge
Try this in real life this week.
Find one ingredient in a snack and look up what it does.
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.
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