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Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Preschoolers are fascinated by how colors can be mixed to form new ones. This activity combines color mixing with the concept of melting for extra science fun.

Help your child practice symmetry with this fun activity that will leave your child with a sweet symmetrical treat!

This project concerns activity happening millions of miles away, on the sun.

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

Hiding protein-rich quinoa and a variety of fresh vegetables, these meatballs are the perfect answer to kid food woes.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

Examine the connection between temperature and chemiluminescence.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Want a fun way to teach your kid to tell time? Making a plate clock is a great way for him to learn how to tell time in a way he'll actually find exciting.

Here is an activity that your kids can make for Mother's Day, a garden pot filled with edible "flowers".

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate