VanCleave's Science Fun

Your Guide to Science Projects, Fun Experiments, and Science Research

ABOUT THE SOUND PICTURE

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.

Sound Supplies and Sound Investigations

Educational Innovation Sound Supplies A black and yellow logo for Educational Innovations. A place to find fun science supplies.
  • Home
  • ASK JANICE
  • Teacher Guide
  • Homeschool Science For Kids

Vertebrate Skeletons

By Janice VanCleave

Dinosaur Skeleton

A vertebrate is an  animal with an internal backbone. The bones of a backbone are called vertebrae Birds, cats, dogs, dinosaurs and you have backbones. Did You Know? Most mammals have seven vertebrae in their neck. This means that you and a giraffe  have the same number of neck vertebrae. Vertebrae are just part of […]

Filed Under: Biology Tagged With: skeleton, vertebrae

Backbone

By Janice VanCleave

QUESTION: Why does my backbone bend? ANSWER: All the bones of your body make up the skeletal system. This system provides the framework that allows you to stand upright and protects delicate internal body parts. An adult has about 206 bones. The number of bones varies from person to person because of the differences in […]

Filed Under: Biology Tagged With: backbone, cartilage, model of spine, skeletal system, spinal column, spine, vertebrae

Topic Search

Visitors From All Over the World


Welcome to Janice’s Science Extravaganza!

The spoon hanging from the string vibrates when struck and these vibrations are transmitted through the string and the sound is amplified by the plastic cups. ABOUT ME: 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. MORE.....

Introductory CAT Lesson

Science CAT Activity and SCI/Art  

SOON! More CAT Activities

Janice VanCleave CAT Stickers

Order Your CAT Stickers Here

FAQs

Janice VanCleave answers your questions about all the different kinds of color changing products.

Check here for Frequently Asked Questions about CAT
stickers.

Send Questions to Janice

Send Information to me using this form.

Contact Janice

Other Janice VanCleave Free Color Changing Lessons

  • HAT Stickers Heat Activated Thermochromic Stickers Stickers that change colors when heated.
  • SA Stickers Sun Activated Stickers Stickers that change color when exposed to sunlight.
  • TLC Dot Stickers Thermochromic Liquid Crystal Stickers Stickers that, like Mood Rings, change color when heated.

Copyright © 2026 · Janice Van Cleave · JVC's Science Fair Projects · Log in