Lesson 76 of 84 · Chemical Bonds
Experiment⭐ 30 XP🧪 Potion KitchenNatural Selection and Evolution (Part 2)
Chemical Bonds.
🎯 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
Natural selection is the process in which organisms with helpful traits survive and reproduce more successfully than those without them. Over many generations this can lead to evolution, such as when moths with darker wings became common in soot-covered forests.
Key Words
Tap a word to see its definition.
Materials Needed
- magnifying glass
- paper towels
- markers
- tape
- small pots
- cotton balls
Safety First
- Work in a well-ventilated area when using vinegar or other strong-smelling substances.
- Dispose of materials properly after the experiment.
Steps
Study the diagram and label the parts you recognize.
Dissect a flower (lily or tulip works well). Identify and label the sepals, petals, stamen, pistil, and ovary. Tape each part to paper.
Note any unexpected results and think about why they happened.
Share your findings with the class or a partner and discuss what you learned.
Check Your Understanding
Question 1
1 of 3What do hibernating animals do?
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 Chemical Bonds for 10th Grade
Get the full Chemical Bonds track as a printable PDF — all lessons, worksheets, and answer keys.