Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

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.

Your preschooler can learn how to siphon water with just two bottles and a plastic tube in this fun, educational science activity.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Your child will create an adorable Christmas tree from their footprint and practice counting while decorating their tree with objects of a variety of textures.

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

In this project children practice the scientific method while playing with puffy paint.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.