This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

An home science experiment for older students that teaches about the science behind heat.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

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

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Help your child celebrate the summer and the sun by making a sandy seascape.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

This science fair project idea researches the effects of acid rain on plant growth.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

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

In this project, a basketball containing different psi is dropped to see how well it bounces.

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

This project determines what category of person is most likely to be ticklish.

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

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.