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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.

Reuse and recycle cardboard tubes to make spooky spiders, kooky caterpillars, wacky worms, and more.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

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.

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

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

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

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

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.

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.

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

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

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

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

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.

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

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

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

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

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

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

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