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Seasons

By Janice VanCleave

What causes seasons? At Earth’s equator, there is an equal amount of daylight and darkness each day of the year, while the amount of light and dark in other areas of Earth changes from day to day. The farther north or south you go from the equator, the greater the variation between the hours of […]

Filed Under: General Science

Polymer: Slime Index

By Janice VanCleave

Pink Slime

This page contains links for information on this website about slime. Have Fun!!! Research about Slime Glossary What makes slime a dilatant? (Gets thicker when stirred or quickly pulled.) Why is slime so viscous? Recipes for Slime: Polymers Using Corn Starch Translucent Slime Using Glue Fluorescent Slime Slime Stuff Just for Fun Slime Creatures Produced […]

Filed Under: Chemistry Tagged With: slime index

Teaching Science

By Janice VanCleave

  Grace and I made a video about science fair projects.   Grace is interviewing me about  science fair projectss. Grace wasgiven a script to follow, which is one way kids can learn tohow to interview someone. After kids have practiced interviewing each other, they willbe ready to interview people outside the classroom. For example,kids […]

Filed Under: General Science Tagged With: Teaching Tips

Photosynythesis

By Janice VanCleave

Photosynthesis is a plant process by which light energy is changed unto to chemical energy. Most plant receive light from the Sun. The chemical energy produced is stored in the bonds of sugar molecules. Plants need only light energy, chlorophyll, CO2, and H2O to make sugar and oxygen. The process of photosynthesis takes place in […]

Filed Under: Biology

Science Project: Slime/Control

By Janice VanCleave

Step 7: Controlled Experiment To conduct a scientific investigation, care must be taken to follow experimental procedures. You must design an experiment to test your hypothesis. When planning your experiment remember to: * Keep everything the same except for the single variable being tested, which for this science fair guide about using slime for the […]

Filed Under: Science Projects Tagged With: experimental control

Science Project: Slime/Hypothesis

By Janice VanCleave

Step 5: Hypothesis A hypothesis is your guess about the answer to the project question. This is not a “wild” guess. You need to have a good reason for the hypothesis you state. Example: Project Question 1. If two solution, glue and borax, are mixed, what effect would the viscosity of the  glue used have […]

Filed Under: Science Projects

Sonoran Desert: Saguaro

By Janice VanCleave

The Sonoran Desert is in southwestern Arizona, southeastern California, most of Baja California and the western half of the state of Sonora, Mexico. The Sonoran Desert covers about 100,000 square miles (260,000 sq km). The Sonoran Desert is rich in plant life with at least 2,000 different species. But two types of plants th distinguish […]

Filed Under: Biology Tagged With: cactus, desert, geography, latitude, longitude

Engineering:Solar Power

By Janice VanCleave

Garrett Yazzie: A navajo indian junior high student not only entered but won first place in the 2005 annual Arizona American Indian Science And Engineering Fair. Garrett’s has been called the “junk yard genius” by some because he secured most and maybe all of the parts for his solar heating project from a junk yard. […]

Filed Under: Engineering, Science Projects

Science Project: Slime/Data

By Janice VanCleave

Step 8: Data For this Slime experiment, you will be recording the distance that each test sample of slime flows in a specific amount of time.  You should test four or more  slime samples from each Glue Viscosity. Determine the best way for your to record your data. For example,  a sample data chart is […]

Filed Under: Science Projects Tagged With: data chart, slime

Science Project: Slime/Experiment

By Janice VanCleave

This page is a continuation of directions for making slime as a science fair project. Note: This information contains ideas and information. It is not intended to be used directly for your project. Instead, use the information as a guide for designing and developing your own science fair project. Step 6 : Example Experiment The […]

Filed Under: Science Projects

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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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