This science fair project idea investigates which objects float and sink in honey, water, and oil.

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

Explore convex and concave objects and how they reflect light.

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

In this science fair project, students test how objects float and sink in liquids of different densities.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

Do heavier objects fall faster than lighter ones? Students learn the answer by watching the effect gravity in a vacuum has on a coin and a feather.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

This experiment examines if space objects become round after reaching a certain mass.

This science fair project idea compares the mass and density of objects.

Find out whether matching resonant frequencies can cause objects to shatter.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

This science fair project idea produces sounds by creating vibrations using different objects.

This project examines what types of objects burn and which burn faster and cleaner.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Scavenger Hunt! Check out this fun science fair project idea to explore the difference between opaque, translucent, and transparent objects around your house.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.

Learn about how we localize objects and beings in space through sound and about monaural auditory mechanisms and binaural auditory mechanisms.

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

In this experiment, recycled objects are separated to demonstrate how mixtures are made and the variance in the physical properties of their ingredients.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.