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.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

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

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

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

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

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.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

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

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

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Do you think heat can affect a plant's growth rate?

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

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

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

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

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.

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

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

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

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

People have favorite flavors, but what about ants? Which ant food is the most popular?

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.