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

Using a toy race car kids create a visual model of the Doppler Effect.

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

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

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.

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

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

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.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

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

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

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 classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

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

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

This classic children's game demonstrates how sound travels through air vs. through a solid.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

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

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

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

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

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

In this science fair project, young children discover what happens when two fluids that have different densities get together.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

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