How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

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

Challenge your learner to design and build a city of their own in this creative engineering activity.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Discover how and which salt melts ice the quickest.

This science fair project idea identifies trees using a dichotomous key.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

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

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

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

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

This science fair project idea investigates how magnetism can defy the force of gravity.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

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

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

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

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