To help your child learn how to use a thermometer, try this temperature collecting activity at home.

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

Based on the popular "I Spy" game, this activity lets your kid practice important skills like number identification and place value.

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.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This activity is a great starting point for practicing mental math because it is quick, easy and involves only simple addition facts.

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.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

This project explores whether music affects the growth and health of plants.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Does your preschooler like cereal? Explore numbers with everyday objects and food with this fun counting activity.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

If your young child is a kinesthetic learner, this equation board is perfect for teaching him addition and subtraction facts.

This activity will further your child's ability to interpret graphs and apply math skills in a real-world situation.

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

This activity will help your child build his early math skills by practicing shape recognition.

Get ready to make a dollar...using playing cards! The first player to accumulate the amount of points equal to a dollar wins.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Here's an activity that will get your child's attention with a back-to-school shopping spree. He'll use decimal skills to add, subtract, multiply, and divide!

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

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

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

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.