3rd Grade Science Activities : Page 7

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

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

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.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

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

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

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

Determine if gender affects the ability to identify different smells.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

This science fair project idea explores whether white light can be separated into different colors.