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Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

This project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.

Help your kindergartener develop his sequencing skills in this activity that teaches him about a story's beginning, middle, and end.

Help your child think outside the box as they create these festive noisemakers, a fun way to ring in the new year.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

This science fair project idea determines what household items are good conductors of electricity.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This DIY menorah will make a beautiful addition to your Hanukkah celebrations. Make a DIY menorah with your child this winter.

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

Make a clay sculpture of a fall tree to celebrate the changing seasons and bring out the artist in your third grader.

Get this cool middle school science fair project idea on how to conduct a flame test to detect the presence of certain metals in chemical compounds.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

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

Examine the effect of pressure on carbonation in soda.

Can you win a staring contest? Would your performance be influenced by your eyesight? Find out in this science fair project idea!

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

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

This science fair project idea explores the egg's thin membrane.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

This science fair project idea explores how far the average human can see.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

In this experiment a spectrometer is used to analyze the light emitted by burning ion solutions.