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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.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

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.

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

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Examine the effect of pressure on carbonation in soda.

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

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

Learn with makes water molecules work with this fun and easy science activity!

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

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.

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

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.