Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

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

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

The goal of this project is to create an exciting topographical map out of dough.

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

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

In this activity, your child will be challenged to make a tower using paper cups.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Learn all about balance and motion as your child designs a corn maze!

In this science fair project, students make their own rain gauge to measure rainfall.