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 simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

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.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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

This science fair project examines how seeds hitchhike on animals and clothing.

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

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

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

Word color association is just a fancy way to talk about the way we connect colors with words.

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.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

This project determines what category of person is most likely to be ticklish.

This science fair project idea demonstrates that plants give off water.

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

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

This science fair project idea investigates how the shape of an object affects drag.

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

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

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.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

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

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.