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.

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

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

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 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.

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.

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.

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

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

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.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

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 experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

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

This science fair project idea determines which method of hand cleansing is the most effective.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.