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Sky Color

By Janice VanCleave

Scientists make observations, identify problems, ask questions, guess at the answer (hypothesis), experiment to test their guess, collect and analyze data, and then make a conclusion stating where the result supported their hypothesis or not. These are the steps for a process called the scientific method. Do scientists always follow the previously listed steps in […]

Filed Under: General Science

Chemistry:Corrosion

By Janice VanCleave

Notes from Janice’s Desk Lately there have been several water leaks in my house. One was due to an old water heater that has not been used for years.  I must admit that the beautifully colored crusted areas on the pipes caught my eye. If you look close you can see dark blue crystals. While […]

Filed Under: Chemistry

Insulation

By Janice VanCleave

Notes from Janice’s Desk My hands and feet are generally cold to the touch. In fact, when I shake hands I often hear–“Cold hands warm heart.” The saying indicates that because my hands are cold I have compassion for others. That is a character trait that I try to develop, but do people really think […]

Filed Under: General Science

Migration: Monarch

By Janice VanCleave

Each year there are four generations of Monarch Butterflies. 1. The first generation emerge in the early spring in March and April. 2. The second generation emerges in late spring in May and June. 3. The third generation emerge in summer in July and Augus. 4. The last and fourth generation of the year emerge […]

Filed Under: Biology Tagged With: butterfly, migration, monarch

Science Challenge: Free Hanging

By Janice VanCleave

Gravity Clue-1

Turning Science Upside Down: Gravity
Understandable explanations and fun investigations about Gravity that answer the following:
1. How and by whom was gravity discovered?

2. What causes the force of gravity?

3. What causes the force of gravity to change?

4. How is the force of gravity measured?

5. What is the difference between force of gravity and g-forces?

6. What does Free Fall Mean?

Filed Under: Force and Motion, Physics

Chemistry: Solutions

By Janice VanCleave

Notes from Janice’s Desk When I was a kid milk was pasteurized. At the time I didn’t understand that pasteurized meant the milk was heated to kill any bacteria. In fact I never thought about the word until a new kind of milk was introduce. This new stuff was call homogenized and my parents were not […]

Filed Under: Astronomy, Chemistry, Earth Science, General Science

Columbus Day

By Janice VanCleave

Columbus Day is celebrated in the USA on the second Monday in October. It is a day in which we celebrate Christopher Columbus’ trip from Spain to Hispaniola, North America in 1492. He was sent by King Ferdinand II and Queen Isabella of Spain. Columbus’ crew sailed on three ships: the Niña, the Pinta, and […]

Filed Under: General Science

Solar Active

By Janice VanCleave

I have found some really cool science stuff that is “Solar Active.” I’ve experimented with solar active beads before, but the Solar Active site has other fun stuff that responds to UV radiation, such as fingernail polish and shoestrings. I don’t care much for paining my nail with UV polish, but my mind is twirling […]

Filed Under: Physics

Nature Studies: Leaf Rubbing

By Janice VanCleave

Notes from Janice’s Desk Whether it is a nature study or a class in physics remember I start off with an activity or experiment that is Easy and Fun. I admit that while I have no choice about getting older, there is no requirement that I have to grow up. That is why I never […]

Filed Under: Biology

Kids Want to Know:Flying Fish?

By Janice VanCleave

Notes from Janice’s Desk Kids often ask questions that adults don’t know the answers to, but are as interested in knowing the answers. For example: Can fish really fly? Actually, what are called flying fish are fish with a streamlined torpedo shape which helps them gather enough underwater speed to break the surface, and their […]

Filed Under: Biology

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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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