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MATH: Measuring

By Janice VanCleave

Young children generally do not understand fractions, but they know when they are given the smaller piece when a candy bar is divided. I love the idea of letting one child divide a candy bar and the other gets to pick his or her portion. What a great way to encourage kids to learn about […]

Filed Under: Measuring

Apple Slice With Star

By Janice VanCleave

Apple Slice Star

Dried apples have unusual, but very interesting characteristics. Discover For Yourself Ask an adult to cut an apple in half, cutting across the apple as shown in the diagram. 1. Allow one-half of the apple to dry. Place the apple piece near a window so that it receives direct sunlight if possible. Place something, such […]

Filed Under: Chemistry Tagged With: craft, dehydration

Types of Salt

By Janice VanCleave

Sodium Chloride is a compound made of two elements, sodium and chlorine. The common name for sodium chloride is  Table Salt. There are different varieties of table salt. Some differ in additives, while others differ in how they are processed, which affects their texture. Table Salt (iodized) Most table salt in the United States is […]

Filed Under: Chemistry Tagged With: sodium chloride

How to Make Butter

By Janice VanCleave

Making Homemade Butter

Filed Under: Chemistry

Stone Soup Activity

By Janice VanCleave

Stone Soup is a wonderful story to encourage kids to share with each other. The video is one version of the story “Stone Soup.” Another tells of a solder who set up a cooking pot outdoors. He added water and a stone to the pot and started a fire beneath the pot. Periodically he would […]

Filed Under: Chemistry Tagged With: mixture

Ferdinand the Bull Activity

By Janice VanCleave

Ferdinand the Bull is a children's book about a gentle bull who loved flowers.

Linking Science to A Children’s Story Book The sweet smelling oils in flowers are used to make perfume.These oils are dissolved in alcohol. Let your  kids help you make perfume, but heed these cautions: Make sure your kids keep the alcohol away from their nose and mouth. Make sure no one is allergic to perfume–cloves–rubbing […]

Filed Under: Chemistry Misc. Tagged With: alcohol, evaporate, perfume, solute, solution, solvent

Saturated Solution

By Janice VanCleave

Question from Anthony & Glynnis How many Alkaseltzer tablets can dissolve in water? Facts to Consider: AlkaSeltzer + water produces water + salt + carbon dioxide gas The carbon dioxide gas escapes leaving the salt dissolved in the water, this is called a salt solution. Saturated Salt Solution = A solution made by adding salt […]

Filed Under: Chemistry Tagged With: AlkaSeltzer, saturated solution, solution

Extract Red Cabbage Juice

By Janice VanCleave

Red Cabbage

How to Prepare Red Cabbage pH Indicator While the cabbage shown is definitely purple, it is commonly called RED cabbage. With that out-of-the-way, I have a brand new way to extract the colored juice from this cabbage. FREEZE IT!! This was one of those serendipitous discovery. Not wanting to discard an old partial head of […]

Filed Under: Chemistry Tagged With: cabbage indicator

Calibrate a pH Indicator Scale

By Janice VanCleave

How to Calibrate a pH Scale for Red Cabbage Juice The scale shown was calibrated by KBolden. It gives you an idea of what a completed scale might look like. Notice that at the top and bottom of the scales, the color appear to be too make a distinction. If you get a color scale […]

Filed Under: Chemistry Tagged With: acid-base indicator, pH scale, red cabbage

Challenge 1: Separate Salt and Sand

By Janice VanCleave

This challenge is to separate and collect the individual parts of a mixture. Make the Mixture: Combine equal amounts of table salt and sand. One-fourth cup of each will work. Teacher Tip: Be sure to use sand and not dirt. Part of the dirt will dissolve. You want only sand, which does not dissolve in […]

Filed Under: Chemistry

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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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