This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

This experiment explores whether caffeine improves athletic performance.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

Here's a fun activity to reinforce the physics concept of stored energy for your middle schooler.

This science fair project idea discovers the principle of conservation of mass.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

This science fair project idea provide quantitative data about how well the use of ASL ( American Sign Language) works in communicating with babies.

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

This social science experiment assesses whether the timing of peak mental performance shifts from afternoon to morning as we age.

This experiment evaluates if the lighting in a room affects the speed at which test subjects perform mental tasks.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Using a toy race car kids create a visual model of the Doppler Effect.

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

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Explore the belief in astrology as a predictive system.

This science fair project idea examines whether boys and girls differ in reflexes.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.