Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

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.

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!

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

In this project students experiment with making music using only glasses of water.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

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

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Take a dive into the candy jar with this yummy science experiment.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project idea examines the reason boats are shaped and engineered.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

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

This science fair project idea provides evidence that air is everywhere and takes up space.

This easy at-home experiment is a great way to "see" science.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

In this science fair project, students create their own miniature salt flats at home.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.