Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

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.

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

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

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

Turn any sunny summer day into a fun and special occasion by having a watermelon seed spitting contest!

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

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.

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

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.