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Lesson 45 of 84 ยท Matter

Lessonโญ 30 XP๐Ÿงช Potion Kitchen

The Periodic Table of Elements (Part 2)

๐ŸงชLab Brief #45

The Periodic Table of Elements (Part 2).

๐ŸŽฏ Your mission

Master the concept. Use it tomorrow.

โšก The twist

Color changes mean atoms are rearranging โ€” even if you can't see them.

๐Ÿคฏ

Mind = Blown

๐Ÿงช If you could remove all the empty space from atoms, the entire human race would fit in a sugar cube.

๐Ÿ”ฎ

Make a hypothesis first

Before you mix: what color do you think it'll turn?

What You'll Learn

The periodic table organizes elements by their properties. Elements in the same column (group) have similar characteristics, such as the noble gases which rarely react.

Key Words

  • solution
  • evaporation

Steps

Step 1 โ€” Read

Study the diagram and label the parts you recognize.

Step 2 โ€” Do

Separate a mixture of sand, salt, and iron filings using a magnet, water, and a filter. Record each step and what you separated.

Step 3 โ€” Observe

Use your senses (except taste) to describe what you notice.

Step 4 โ€” Record

Write a summary of your findings in 3-5 sentences.

Check Your Understanding

Question 1

1 of 3

What are elements organized in?

๐ŸŒ

Where you see this in real life

This is happening in your kitchen right now โ€” every time food cooks.

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Stretch Challenge

Try this in real life this week.

Find one ingredient in a snack and look up what it does.

๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง

For the dinner table

โ€œWhat's something we cook that mixes things together this way?โ€

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Next Smart Experiment

We'll pick an experiment that matches exactly how you're thinking right now.

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Share this experiment

Send it to a parent who's looking for a 10-minute kitchen science win.

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Checkout complete lesson on Matter for 3rd Grade

Get the full Matter track as a printable PDF โ€” all lessons, worksheets, and answer keys.

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