Test whether plants can grow without sunlight and water.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

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 fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

This science fair project idea demonstrates that plants give off water.

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

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

Explore if planting seeds in a certain direction will affect how fast it germinates.

This science fair project idea explores how length affects the weight a bridge can hold.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.