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

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.

This science fair project examines how seeds hitchhike on animals and clothing.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Teach your child how butter is created by shaking up cream the old-fashioned way.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

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

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Slip some science into storm watching with a homemade rain gauge!

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

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

This science fair project idea investigates if fats add to the flavor of food.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.

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

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

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Help your child celebrate the summer and the sun by making a sandy seascape.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Teach your first grade scientist the difference between liquids and solids using maple syrup.