3rd Grade Science Activities : Page 10

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

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.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

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

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

This science fair project will help students learn about non-vascular plants, such as mosses.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.