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This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

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

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!