80

Lesson 80 of 84 ยท Matter and Atoms

Lessonโญ 30 XP๐Ÿงช Potion Kitchen

The Periodic Table of Elements (Part 3)

๐ŸงชLab Brief #80

Matter and Atoms.

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

  • isotope
  • chemical bond
  • molecular formula

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

Your toothpaste, your soap, even your breakfast involves this.

๐Ÿ†

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.

๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง

For the dinner table

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

๐ŸŽฏ

Next Smart Experiment

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

๐Ÿ”ฌShare card

Share this experiment

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

๐Ÿ–จ๏ธ

Checkout complete lesson on Matter and Atoms for 7th Grade

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

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The Periodic Table of Elements (Part 3) โ€” Matter and Atoms | 7th Grade Science | LittleActivity | LittleActivity