Giant Color Coded Periodic Table

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Teaching Tips

Here's an additional activity you can conduct with your students to introduce the periodic table.

Needed Materials
Snack size zipper style plastic bag
Assorted candies so that you have at least 4 common colors of each type of candy per student:
Skittles or M&Ms
Gummy bears
Jelly Beans
Gum drops
Paper towel or napkin

Time needed: Can be completed in approximately 10 minutes.

Preparation for Activity:
1.Prepare a plastic bag for each student containing at least 4 of each candy in the same colors as the other candies, but omit 2 pieces of candy of any color and type (i.e., a purple Skittle, gummy bear, jelly bean and gum drop; an orange Skittle, gummy bear, jelly bean, gum drop; a red Skittle, gummy bear, jelly bean and gum drop; and a green Skittle, gummy bear, jelly bean and gum drop, but leave out any 2 candies).

Student Instructions:
1. Give each student a bag of candy and a paper towel or napkin to set candy on.
2. Instruct students to organize their candies in whatever way they desire. Reassure them that there is no right or wrong answer.
3. Have students observe how other students arranged their candies (this can be done by just having them look at students around them, no need to have them get up and move around).
4. Inevitably someone will mention that they are missing some candy. Just say “oh really” or something similar and let them deal with it.
5. Ask a few students to explain how they organized their candies. Be sure to select at least one student who organized their candies by color and type with “gaps” for the 2 missing candies.
6. Have one or two students tell which candies they are missing and ask how they know.
7. Now direct students’ attention to the Periodic Table and begin to explain how Mendeleyev used atomic mass and properties to organize the elements. Tell them that he left gaps where he predicted missing elements would go, much like they predicted what kind of candies they were missing. This introductory activity can lead into a detailed discussion of the Periodic Table.

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