Science Projects Activities : Page 31

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

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

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

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

This project explores ways to prevent static electrical shocks.

This experiment will evaluate how texting and talking on cell phones influence reaction time.

This science project helps students gain understanding of bioluminescence, the phenomenon that allows fireflies and glow worms to give off light.

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

This science fair project evaluates if and how eating a large meal affects ability to perform mental tasks.

This middle school science fair project evaluates test subjectsâ ability to determine what a person is feeling by reading their facial microexpressions.

This fun science project explores the climate change over the course of the history of Earth and helps construct a diorama representing a geologic time period.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Free science fair project idea examining how different types of water affect plant germination and growth.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

Determine whether the relationship between a personâs armspan and height are genetic.

This experiment explores whether caffeine improves athletic performance.

This science fair project idea explores which is better for diffusion and cell absorbing, more surface area, or more volume.

Science fair project that tests whether cats have a preference for organic food.

This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.