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.

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.

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

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

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

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

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

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 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.

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

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?

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

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

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

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

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

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

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.

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

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

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

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

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