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Help your preschooler practice observing and experimenting with this exciting activity where they'll get to examine objects below the water's surface!

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

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

This science fair project evaluates if and how eating a large meal affects ability to perform mental tasks.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.

This experiment evaluates whether a personâs dominant hand is more sensitive than their non-dominant hand.

This experiment will evaluate if chewing gum affects students' test performance.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Determine which material produces the strongest static charge.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

Celebrate April showers with a springtime arts and crafts activity: make sparkly, shiny raindrops with your kid.