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Earthworm: Reproduction

By Janice VanCleave

Earthworms are hermaphrodites ( her-maff-row-die-ts), which means they have both male and female sex organs. Even so, they still need to mate in order to reproduce. Mating: Since worms can neither see nor hear, but their bodies are extremely sensitive to touch. Because of this, earthworms feel vibrations when another worm is nearby. To mate, […]

Filed Under: Biology Tagged With: earthworms

Earthworm: Digestive System

By Janice VanCleave

Question: Do earthworms really eat dirt? Answer: Yes, earthworms eat dirt. But most of the dirt eaten by earthworms moves through their body and is deposited as waste. The waste of earthworms is called casts. There is much more to the earthworm’s digestive system than just eating and pooping dirt. An earthworm’s digestive system consists […]

Filed Under: Biology, invertebrates Tagged With: base, casts, digestive system, earthworms

Ecology: Worm Bin

By Janice VanCleave

The drill has a 1/4 inch drill bit to make holes in a plastic container to be an earth worm bin.

How to Build an Earthworm Bin Using A Plastic Container Earthworms will eat food and paper scraps. The waste from the worms–called casts–is wonderful compost to grow plants in. I started my own earthworm bin recently. My bin is a plastic container with a lid. My husband helped me prepare the container by drilling air […]

Filed Under: invertebrates Tagged With: casts, composting, earthworm in, earthworms, ecology, recycle

How Do We Smell Perfume?

By Janice VanCleave

Answer: The part of perfume that gives it a specific smell is called its “juice.” Juice is a mixture of different oils, each with a specific scent. You smell these scents because they evaporate, which means to change from a liquid to a gas. These scented gas molecules move through the air and you smell […]

Filed Under: Biology, Chemistry Tagged With: cologne, perfume, sense of smell

Ecology Books

By Janice VanCleave

This book has information and experiments about ecology.

  20% Discount Code AFF20   Ecology is the study of: the relationship of 1. the relationship of living organisms with each other 2.the relationship of living organisms with their environment   Janice VanCleave’s Ecology for Every Kid: Easy Activities that Make Learning Science Fun     Janice VanCleave’s Geography for Every Kid: Easy Activities […]

Filed Under: Biology Tagged With: ecology books

DNA

By Janice VanCleave

photo by altamons Search DNA for information about the DNA moleulecule. Related Posts about DNA [related_posts]

Filed Under: Biology Tagged With: DNA

Ecology: Paramecium

By Janice VanCleave

Ecology is the science of the relationships between organisms and their environments. Paramecium (paramecia-plural) is a single-celled microscopic organisms generally found in fresh water ponds or lakes. Paramecium has some animal-like behavior, never the less they are not classified as an animal, instead they belong to the Protista Kingdom. While, classification is not the primary […]

Filed Under: Biology Tagged With: microorganisms, pollutants, potable

Perfume Notes

By Janice VanCleave

Question: Why do perfumes smell different? Answer: Perfume is a generic term used for liquids with a distinctive pleasant smell. A more scientific definition is that perfume is a liquid solution, which is a mixture of a liquid solvent and different solutes. The liquid solvent for perfumes is generally ethanol (alcohol) or a mixture of […]

Filed Under: Biology Tagged With: mixture, sense notes, solute, solution, solvent

Biology Investigations

By Janice VanCleave

I hope you are enjoying the science information on my website. I recently had a problem and have had to make changes in the URLs of the pages. I am trying to correct all the links, but know that I’ve missed some. If a link doesn’t work, try searching for the topic, and/or contact me […]

Filed Under: Biology Tagged With: science book

DNA: Extraction

By Janice VanCleave

Following is a procedure for extracting DNA from a banana. 1. Chill a bottle of rubbing alcohol by placing it in a freezer for 10 or more minutes. 2. Peel a ripe banana. Discard the peeling and place the banana in a quart-size resealable plastic bag. 3. To the bag add the following: 1/2 cup […]

Filed Under: Biology, Science Projects Tagged With: DNA, science fair project tips

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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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