3rd Grade Science Activities : Page 3

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

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 outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

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

How powerful is the reaction between baking soda and vinegar? Find out here!

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

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

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.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Science fair project that examines condensation and the conditions needed in order for dew to form.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

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

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

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

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

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

In this science fair project, students use the streak test to tell minerals apart from each other.

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.