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.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

Discover whether a metal will expand under hot water.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

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

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

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

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

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 project investigates the affect of storage temperature on microwave popcorn.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Word color association is just a fancy way to talk about the way we connect colors with words.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

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!

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Help your kindergarten science maven explore the water cycle without getting everything wet.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Help young learners discover why catÃs eyes glow in the dark with this simple experiment