Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

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.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

The purpose of this science fair project is to build a basic radio.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

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 to grow bacteria in a controlled setting, using simple materials from around the home.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Start your toy engines -- this is going to be a fast and friction-filled race!

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.