Lesson 38 of 84 · Atomic Structure
Experiment⭐ 30 XP🧪 Potion KitchenBacteria and Viruses
Atomic Structure.
🎯 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
Bacteria are tiny single-celled organisms that live almost everywhere, and while some cause disease, many are helpful, like those that break down food in our intestines. Viruses are even smaller and can only reproduce by invading the living cells of another organism.
Key Words
Tap a word to see its definition.
Materials Needed
- magnifying glass
- paper towels
- markers
- tape
- small pots
Safety First
- Adult supervision recommended.
- Do not taste any materials.
- Wear safety goggles when mixing liquids.
Steps
Read the introduction and identify the main idea of this lesson.
Compare the skeletal structures of a bird wing, human arm, and whale flipper using diagrams. Identify homologous bones and write what this tells us about common ancestry.
Use your senses (except taste) to describe what you notice.
Write a summary of your findings in 3-5 sentences.
Check Your Understanding
Question 1
1 of 3Which animals go through metamorphosis?
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?”
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