Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

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

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.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

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.

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

This science fair project idea experiments with spinning color wheels and optical illusions.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.