Lesson 13 of 84 · Solutions
Experiment⭐ 30 XP🧪 Potion KitchenEcosystems: Living and Nonliving Parts
Solutions.
🎯 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
Ecosystems include all the living and nonliving things in an area that interact with each other. A pond ecosystem includes fish, frogs, algae, water, rocks, and sunlight.
Key Words
- adaptation
- metamorphosis
Materials Needed
- zip-lock bags
- labels
- seeds
- soil
Safety First
- Wear safety goggles when mixing liquids.
- Wash hands after handling materials.
- Be careful with scissors — ask an adult for help if needed.
Steps
Read the introduction and identify the main idea of this lesson.
Build a model ecosystem in a jar using soil, small plants, and water. Seal it and observe how the water cycle works inside it for one week.
Compare the before and after states.
Write your conclusion: did the results match your hypothesis? What would you change next time?
Check Your Understanding
Question 1
1 of 3What is an ecosystem?
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.
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