2nd - 4th Grade Science Resources : Page 18

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

This science fair project idea explores how length affects the weight a bridge can hold.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Make a backbone model to explore human anatomy and life science.

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

This science fair project idea investigates whether plants can survive being frozen.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Examine the effect of pressure on carbonation in soda.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!