Lesson 17 of 84 ยท Matter and Atoms
Experimentโญ 30 XP๐งช Potion KitchenWhat Is Temperature?
Matter and Atoms.
๐ฏ Your mission
Predict it first. Then prove yourself right (or wrong).
โก The twist
Color changes mean atoms are rearranging โ even if you can't see them.
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
Before you mix: what color do you think it'll turn?
What You'll Learn
Temperature measures how fast particles are moving. At absolute zero, particles have the least possible energy. Heating matter increases particle motion and can cause state changes.
Key Words
- acid
- base
Materials Needed
- measuring cups
- paper towels
- thermometer
- strainer
Safety First
- Wear safety goggles when mixing liquids.
- Wash hands after handling materials.
Steps
Look at the vocabulary words and write a definition for each in your own words.
Test how temperature affects dissolving: dissolve sugar in cold, warm, and hot water. Count stirs needed for each and create a data table.
Use your senses (except taste) to describe what you notice.
Write a summary of your findings in 3-5 sentences.
Check Your Understanding
Question 1
1 of 3What is volume?
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 Matter and Atoms for 7th Grade
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