VanCleave's Science Fun

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

Archives for 2010

Astronomy Books

By

Use Discount Code —AFF20–To Save 20% The discount code applies for books published by John Wiley and purchased from this website.   Janice VanCleave’s Astronomy for Every Kid: 101 Easy Experiments that Really Work   Janice VanCleave’s Constellations for Every Kid: Easy Activities that Make Learning Science Fun     Janice VanCleave’s A+ Projects in […]

DNA

By

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

Ecology: Paramecium

By

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 […]

How is Visible Light Produced?

By

Light is a form of energy, and energy is neither created nor destroyed. Instead, energy can change from one type to another.This means that another type of energy is transformed into visible light. Regardless of the source of energy, light is produced in basically two steps: 1. An atom’s electron absorbs energy and becomes energized, […]

How to Make Perfume

By

Question: How can I make perfume? Answer: We often use the word perfume in a generic way, meaning any liquid applied to the body to give it a pleasant fragrance. But perfume (parfume) –what I call “Real” perfume is more concentrated and is generally more expensive than a cologne with the same fragrance. Another way […]

Fluorescence vs. Photoluminescence

By

Fluorescence and Photoluminescence are types of luminescence (cold light) where the energy is supplied by EMR (electromagnetic radiation). EMR from most to least energetic are: gamma rays, x-rays, ultraviolet light, visible light, infrared light, microwaves,  and radio waves. The starting EMR energy source needed to produce visible light must be more energetic than visible light. […]

Perfume Notes

By

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 […]

Biology Investigations

By

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 […]

DNA: Extraction

By

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 […]