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.

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.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

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.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

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

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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

In this project, a basketball containing different psi is dropped to see how well it bounces.

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

Start your toy engines -- this is going to be a fast and friction-filled race!

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

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

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

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 science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

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

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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?

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.