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Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Can cells be frozen? This science fair project provides information to answer this question.

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.

Make this easy composting dessert and then enjoy the yummy results!

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

This science fair project idea investigates food preference of birds.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Do you think heat can affect a plant's growth rate?

Learn how different types of soil affect how animal tracks form in this experiment!

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This science fair project idea explores whether the types and brands of faucet filters are relevant to their performance.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Determine which metal has the highest rate of conductivity.

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

Conduct a simple experiment with your child to study how dirt tracks change as they age in this 1st grade science activity.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

This science fair project idea investigates the difference in reaction times between boys and girls.