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Determine which metal has the highest rate of conductivity.

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.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

Ordinal numbers, or numbers that indicate order, are the focus of this fun math game for young learners.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Reuse old cardboard boxes and popsicle sticks to create a miniature sled that is perfect for pretend play with dolls or action figures.

see whether all liquids evaporate at the same rate. In other words, does water evaporate at the same rate as juice?

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Test whether cutting up meats will make it cook faster than just cooking it whole.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Here's a hands-on way to help your child understand how common fractions can be equivalent.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

This science fair project idea discovers the effect of (high) heat on animal cells.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

Science fair project that uses distillation to convert salt water into fresh water.

Play this game that lets you create your own silly monster drawing and helps your child practice her counting skills!

Use old coffee cans and socks to make a beanbag toss game for kids in preschool and kindergarten. This activity is great for math and coordination.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Try this card game to build math fact skills, like addition and subtraction, and have a great time, too!