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.

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

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

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

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

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 exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

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

In this project children practice the scientific method while playing with puffy paint.

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

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

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

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

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

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

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

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.

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

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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

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

This science fair project teaches students about wilting and browning of salad greens.

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 experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

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

This science fair project idea investigates which objects float and sink in honey, water, and oil.