3rd and 4th Grade Science Activities : Page 6

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 determines if the size of the parachute will change the rate at which an object falls.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

This science fair project idea examines the reason boats are shaped and engineered.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

This science fair project teaches students the differences between fruits and vegetables.

This science fair project idea explores the egg's thin membrane.

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

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

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.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Challenge your learner to design and build a city of their own in this creative engineering activity.

This science fair project idea determines which method of hand cleansing is the most effective.

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!

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.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This project investigates the affect of storage temperature on microwave popcorn.

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

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

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

This science fair project idea examines which type of insulation holds in the most heat.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

This science fair project idea investigates the hardness property of minerals.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!