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 cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

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

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

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

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

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.

How do organic materials become soil? This science experiment measures what materials biodegrade.

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

Test whether plants can grow without sunlight and water.

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

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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

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

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

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

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

This science fair project idea investigates if fats add to the flavor of food.

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

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?

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

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

These science fair experiments demonstrate the chemistry of rust and the oxidation process.