Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

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

Construct and experiment with a periscope using reflected light rays to gather an image.

Test whether plants can grow without sunlight and water.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This science fair project investigates why the number of visible stars changes from place to place.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

In this experiment we will be determining whether birds prefer certain colors of seed.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

This science fair project idea determines the most effective method of preserving food.

In this fun activity, your child will create their very own solar oven to bake s'mores!