Lesson 80 of 84 · Reaction Rates
Lesson⭐ 30 XP🧪 Potion KitchenHow the Immune System Works (Part 2)
Reaction Rates.
🎯 Your mission
Master the concept. Use it tomorrow.
⚡ 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
The immune system defends the body by finding and destroying harmful invaders such as bacteria and viruses. White blood cells hunt down germs, and after fighting an illness the body can remember it and respond faster the next time.
Key Words
Tap a word to see its definition.
Steps
Review the background information on Reaction Rates before starting.
Collect and classify 10 organisms from your yard into kingdoms, phyla, or groups. Use a dichotomous key if available.
Look for patterns in your observations.
Make a graph or chart showing your results.
Check Your Understanding
Question 1
1 of 3What is germination?
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?”
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 Reaction Rates for 10th Grade
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