Lesson 81 of 84 · Chemical Bonds
Experiment⭐ 30 XP🧪 Potion KitchenThe Nitrogen Cycle (Part 2)
Chemical Bonds.
🎯 Your mission
Set it up. Test it. Be amazed.
⚡ The twist
Mixing two safe things doesn't always make a safe thing.
Mind = Blown
🌈 Every color you see is your brain inventing a translation of light frequencies.
Make a hypothesis first
Predict: will the mixture get hotter, colder, or stay the same?
What You'll Learn
Nitrogen is needed to build proteins, and the nitrogen cycle moves it between the air, soil, and living things. Special bacteria convert nitrogen gas from the air into forms that plants can absorb through their roots.
Key Words
Tap a word to see its definition.
Materials Needed
- ruler
- magnifying glass
- paper towels
- markers
- tape
Safety First
- Do not mix unknown chemicals together.
Steps
Study the diagram and label the parts you recognize.
Model natural selection: scatter colored paper scraps on grass. Time how long it takes a partner to pick up each color. Which color survived longest? Why?
Draw a detailed diagram of what you observe.
Write a conclusion: what did your results show? Did they match your prediction?
Check Your Understanding
Question 1
1 of 3What is a habitat?
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?”
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