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

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

This easy project for little hands uses mushroom spores to make an imprint of the mushroom, and the result is very beautiful.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

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.

Follow in the footsteps of movie character legends as you walk your little one through the steps of becoming a junior archaeologist.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

Create homemade seed packets with your kids. This activity combines your kids' love of science and the outdoors with a little writing and drawing fun.

After completing this fun science project, your child will have a better understanding of plants, and they may even develop a green thumb in the process!

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

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.

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

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!

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

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

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

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.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

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

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

Kids grow sunflower greens from seeds for a hands-on gardening experience in this kindergarten life science activity.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.