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Science fair project that explains and demonstrates the parallax principle.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Multiple-choice test questions can be confusing. Here's a toolbox of tricks and strategies to help your teen become a multiple-choice master.

Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

This science fair project demonstrates the "power of conformity".

This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

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

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.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Find out whether putting something on top of a plant will inhibit its growth.

Determine the effect of reading aloud on memory skills. Prepare a list of randomly chosen words, ask volunteers to recall as many as possible from the list.

Compare the ignition rates of various types of flame-retardant materials.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

This experiment evaluates whether frequent texters have better finger dexterity compared to people that rarely use text messaging.

This science fair project idea investigates how the shape of an object affects drag.

This experiment will explore whether fractals really repeat themselves infinitely.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.