Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

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

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

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

This science experiment has students test whether a snail moves faster on concrete or dirt.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Children learn the six parts of a plant...but do they really understand? Try this plant-themed meal plan to bring school science into the home.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Teach your first grade scientist the difference between liquids and solids using maple syrup.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

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!

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

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

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

Here's a simple and fun kindergarten or first grade gardening activity: grow a miniature container garden in a paper egg carton. Great for kinesthetic learners.

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!

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!