Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

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

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

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.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

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

The objective of this science project is to determine the length of time for different seeds to germinate.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

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

This science fair project idea explores how length affects the weight a bridge can hold.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

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

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

Conduct a simple experiment with your child to study how dirt tracks change as they age in this 1st grade science activity.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Here's a science activity to help your child investigate how seeds are designed to travel.

Help your child make a beautiful homemade sandcastle that will last!

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!

Here's a great early reading and science activity for curious children. Learn how to plant your child's name in seeds for a growing writing activity!

This science fair project idea investigates how the shape of an object affects drag.

This science fair project idea investigates if webbed feet help a duck (and others) swim.