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.

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

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

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

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

Plants and light seem to be good buddies, but how far does the friendship really go?

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

Test whether plants can grow without sunlight and water.

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

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

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

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

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

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

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

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

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

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

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

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

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?

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

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

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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

This project examines whether people's taste perception is influenced by what they see.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

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

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