Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

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

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

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.

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.

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

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.

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

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.

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!

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

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

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

How do organic materials become soil? This science experiment measures what materials biodegrade.