VanCleave's Science Fun

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

  • Home
  • ASK JANICE
  • Teacher Guide
  • Homeschool Science For Kids

Archives for 2010

DNA Extraction Video

By Janice VanCleave

A Watson and Crick Double Helix DNA Model

  A Science Project About DNA Extraction A science project is a special type of investigation. It could be said that it is a proposed, contemplated, and planned type of investigation with the purpose of testing or discovering scientific knowledge. For more details, see What is a Science Project? In reference to a science project, […]

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

What is Table Sugar?

By Janice VanCleave

Sugar Cane

Table sugar is commonly used to sweeten food. There are different kinds of sugars, including glucose, fructose, and sucrose. Glucose is commonly called blood sugar; fructose is sugar in fruit; sucrose is table sugar. Sucrose is a carbohydrate (simple), which is a chemical made of carbon, hydrogen and oxygen.The label of being a simple carbohydrate […]

Filed Under: Chemistry Tagged With: carbohydrate, crystals, sucrose, sugar

How Soluble is Table Sugar?

By Janice VanCleave

Table Sugar

What happens when you heat a sugar solution? When you add sugar to water, the sugar crystals dissolve and spread out evenly in the water.  Question? How much table sugar (sucrose) will dissolve in water? Answer: You can’t dissolve an infinite amount of sugar into a fixed volume of water. When as much sugar has […]

Filed Under: Chemistry Tagged With: soluble, sucrose

Science Fair Project Ideas

By Janice VanCleave

I wrote this book with the objective of helping kids create their own winning science projects. The project ideas in the book are to be used as clues to develop individual project.  How do you begin a project? What can you do to impress the judges? How can you create an eye-catching display? Discover the […]

Filed Under: Science Projects Tagged With: science project

Science Fair Project Data Collection

By Janice VanCleave

Your experiment is over and data has been collected. You now want to study your data results and make comparisons between the independent variable and the dependent variable. For the example project, a color scale can be created in order to use numbers to measures to describe the results. The scale shown indicates different colors […]

Filed Under: Science Projects Tagged With: science fair project tips

Science Project Experiment

By Janice VanCleave

Browning Apple Project 1. Research 2. Question 3. Hypothesis 4. Experiment A science fair project experiment must test the accuracy of your  hypothesis. For this example science fair project the example question and hypothesis are: Question: What effect do different types of citric fruit have on preventing apple slices from browning? Hypothesis: Since all citric […]

Filed Under: Science Projects Tagged With: science fair project tips

Science Project Hypothesis

By Janice VanCleave

Browning Apple Project 1. Research 2. Question 3. Hypothesis A hypothesis: is your idea about the answer to your science fair project question. A hypothesis: is basically your educated guess about the answer to your science fair project question. A hypothesis: is your prediction about the results of the experiment you will do to find […]

Filed Under: Science Projects Tagged With: science fair project tips

Testing the Strength of a Thigh Bone Model

By Janice VanCleave

Strength Testing of Thigh Bone Model

The long bone in your leg, called your thigh bone, is shaped much like the bone in a chicken’s leg. Both have a hollow, cylinder-like shape, which means they are shaped like a tall soup can.This shape makes the leg bone lighter than it would be if it were solid throughout. Discover For Yourself The […]

Filed Under: Engineering

Calcium in Bones

By Janice VanCleave

Facts About Bones! The hard part of bone is made up mainly of the chemical calcium phosphate. Fibers called collagen (a protein) run through the calcium phosphate. The calcium phosphate gives bones firmness and strength, and collagen gives them flexibility. The vinegar reacts with the calcium phosphate, thus removing the calcium from the bone and […]

Filed Under: Biology Tagged With: bones, calcium

Science Project Summaries

By Janice VanCleave

Conclusion A conclusion is a summary of the results of the project experiment and a statement of how the results relate to the hypothesis. Following is a sample conclusion. Example Conclusion: As stated in my hypothesis, moths are more attracted to white light than to yellow light. The experiment data collected over a period of […]

Filed Under: Science Projects Tagged With: science fair project tips

  • « Previous Page
  • 1
  • …
  • 39
  • 40
  • 41
  • 42
  • 43
  • …
  • 54
  • Next Page »

Topic Search

Visitors From All Over the World


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.....

Copyright © 2025 · Janice Van Cleave · JVC's Science Fair Projects · Log in