Here's a pressed leaf card project that puts science and writing together for your second grader.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this 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.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

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

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

In this project children practice the scientific method while playing with puffy paint.

Instead of the traditional egg hunt, try this creative variation that will result in a beautiful Easter garden.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!