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With mouth wide open, vibrating air coming up the throat from the vocal chords leaving the open mouth and spreading in all directions. Hi, I am Janice VanCleave, author of 50+ best-selling science experiment books for children ages 4 through high school. I taught science for 27 years and now am creating this science website.   My scream was not staged. The picture was to be of two adult cats, which I was holding. A microsecond before the camera snapped, the two cats dug their claws into my skin as they prepared to leap out of my arms. A picture like this is great for making inferences. Kids could make "guesses" as to why I am screaming. They would be drawing on facts from the photo, such as I look like I am in pain or maybe I am just pretending.

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Home » Sock Classification

Sock Classification

By Janice VanCleave

class-sock1

My feet get very cold, and I wear warm socks most of the time. Yesterday, I managed to put on two different socks. Since my office is in my home, I didn’t care if the socks matched. But, later in the day my husband needed me to attend a business meeting with him. YEP! I went wearing the miss-matched socks. Thankfully I wore slacks and we sat at a table. But my mind kept returning to my socks. No, I was concerned about the fashion statement I was making. Instead, my sock combination made me think of all the socks I had in a box that didn’t have mates. UMM! I could start a new fashion trend, but a better idea was to use them for a fun science classification activity.

In the illustration, you see the mix-matched socks together. They do have similarities, such as:

  1. size
  2. texture
  3. material

The main difference between the two socks is color. So, using only the two socks, I have two separate categories. But what if you start with a large mixture of socks? The classification groups would increase.

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