Determine whether butterflies like to drink sugar water, salt water, or plain water.

Examine the effect of pressure on carbonation in soda.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

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

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

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

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

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

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

In this design challenge, your child will create a parachute for a small toy using typical household items.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

This project examines whether playing music during class helps students learn or if it distracts students from learning.