If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

This craft is an excellent way to learn about African-American history, and it also provides fine motor practice.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

Free science fair project idea examining how different types of water affect plant germination and growth.

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

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

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Explore whether pianists have the tendency to type faster than non-pianists.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

This bread mold experiment will help your child learn about mold, and he'll develop important hypothesis-making and experiment-designing skills.

This science fair project idea outlines the principles and techniques behind paper batteries.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

First graders are learning to think like scientists. What better place to start, then by raising tadpoles? This hands-on activity explores science in action!

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

Demonstrate how to tell the age of an egg without having to crack it open.

This science fair project idea determines which flower lasts the longest.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

This science fair project idea investigates the relationship between memory and age.