This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

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

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

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

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

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.

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

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

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

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

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

In this activity your child will create their very own marble maze!

Introduce your child to science with something they see everyday--their shadow!

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

In this activity, your child will be challenged to make a tower using paper cups.

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

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!

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

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

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.

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

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.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!