Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

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 fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

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?

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.

Engineers in training can get started with this simple wheel-and-axle construction activity.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

The objective of this science fair project is to investigate salt water density.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Help your kindergarten science maven explore the water cycle without getting everything wet.

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

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

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

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science fair project idea investigates whether air has mass and weight.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

Plants need water to grow. In this project we learn how plants transport water from their roots to their leaves

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

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

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

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

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

The fish most kids see is usually filleted, and it's hard to see how it came from a lake or sea. This cool gyotaku activity blends life science with art!