1st - 3rd Grade Science Activities : Page 2

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

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 how magnetism can defy the force of gravity.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

In this activity, your child will be challenged to make a tower using paper cups.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

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 science fair project idea explores whether talking to a plant will help it grow.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

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.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

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

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Find out whether a longer airplane will fly farther or a wider paper airplane.

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

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

This project examines whether people's taste perception is influenced by what they see.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.