Lesson 51 of 84 ยท Matter
Experimentโญ 30 XP๐งช Potion KitchenProperties of Materials (Part 2)
Properties of Materials (Part 2).
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
A compound's properties differ from its elements. Sodium is a reactive metal and chlorine is a toxic gas, but together they form sodium chlorideโcommon table salt.
Key Words
- boiling
- density
Materials Needed
- paper towels
- thermometer
- strainer
- ice cubes
Safety First
- Wear safety goggles when mixing liquids.
Steps
Read about 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
This is happening in your kitchen right now โ 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
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 for 3rd Grade
Get the full Matter track as a printable PDF โ all lessons, worksheets, and answer keys.
