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This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

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 will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

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

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

This science fair project idea compares whether ionic dryers leave hair in better condition than non-ionic dryers.

This easy project for little hands uses mushroom spores to make an imprint of the mushroom, and the result is very beautiful.

I scream, you scream, we all scream for homemade spearmint ice cream!

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.

In almost every preschool classroom is a sensory table. Learn how to make one at home!

This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Let your young adventurer go bug hunting in the great outdoors with their very own bug net!

In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

This activity is a great introduction to polymer chemistry. It might seem complicated, but all you'll need is the material found inside of a baby's diaper!