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Thomas Edison Index

By Janice VanCleave

Biography Information 1. As a boy, why did Edison sit on goose eggs? 2. Thomas Edison’s Childhood 3. Thomas Edison’s Family 4. Thomas Edison’s Electric Lamp 5. Thomas Edison’s Inventions Investigations 1. How does the shape of an egg affect its strength? 2. Eggshell Shape: Strength Activity 3. Series Circuit: Open vs. Closed 4. Bulbs […]

Filed Under: Physics

Thomas Edison’s Childhood

By Janice VanCleave

Thomas Alva Edison (1847-1931) was born in Milan, Ohio. He was the seventh and last child of Samuel Edison, Jr. and Nancy Elliot Edison. His mother was a former schoolteacher; his father had no specific training and was considered a jack-of-all-trades, meaning he could do many different kinds of jobs. When Thomas was seven, his […]

Filed Under: General Science

Edison’s Light Bulb

By Janice VanCleave

Thomas Edison had seen great changes in the world in his lifetime, and he was responsible for many of them. When he was born in 1847 there was no electricity in homes. In 1878 he formed the Edison Light Company, with the financial support of some of New York’s richest businessmen, to research the electric […]

Filed Under: Physics

Edison Index

By Janice VanCleave

Tomas Alva Edison’s Biography

Filed Under: General Science

Wolves vs. Dogs

By Janice VanCleave

Question: What is the difference between wolves and dogs? Answer: Canines have dog-like appearances and both wolves and dogs are canines. Foxes and coyotes are also canines. A very important difference is that dogs are domesticated and wolves are wild animals. This means that dogs make good pets and wolves are wild and not suited […]

Filed Under: Biology

Science Fair Projects : Involving Parents

By Janice VanCleave

Many parents work and do not respond positively to the news that their child must do a science fair project. Often this is because they are not sure what their child must do let alone how to help them. Too often this is because they become aware of the due date for the project a […]

Filed Under: Science Projects

Science Fair Project Benefits

By Janice VanCleave

Too often science fair projects are viewed by students as more stuff to read. Kids love to explore and investigate. Generally, most kids don’t enjoy reading assignments. Kids and adults like me want to be involved–they want to make something–take something apart-find out what will happen if…….. Science Fair Project Benefit: 1. Organization: Students can […]

Filed Under: Science Projects

Earthworm: Diet

By Janice VanCleave

Earthworms

 What Do Earthworms Eat? Earthworms eat dirt! That is, they take the dirt into their mouths and it passes through their digestive system. But it is the nutrients in the dirt that remains in the worm’s body. These nutrients include, decaying roots and leaves. Animal manures are an important food source for earthworms in the […]

Filed Under: animals

Enzymes: Protease

By Janice VanCleave

How does pineapple tenderize meat? Answer: Fresh pineapple contains bromelain, which is mixture of two types of protease. A protease is a protein-digesting enzyme (chemical that causes and/or changes the speed of a chemical reaction). A protein is a long chemical chain with links of different amino acids. The amino acid links are connected by  […]

Filed Under: Biology

Engineers vs. Inventors

By Janice VanCleave

Janice VanCleave’s Engineering for Every Kid: Easy Activities That Make Learning Science Fun This book contains research for different types of engineering as well as investigations that can be used as exploratory experiments in the design and developing of an engineering project. What’s the difference between an engineer and an inventor? Sometimes there is no […]

Filed Under: Engineering

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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.....

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