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Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

This science fair project idea explores whether white light can be separated into different colors.

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.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

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

This science project teaches students to classify different shapes of leaves.

This science fair project teaches students the differences between fruits and vegetables.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

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

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

In this experiment you will replicate the mummification process by making a hot dog mummy.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

This science experiment tests if dog saliva can really help heal wounds.

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

Discover whether a metal will expand under hot water.

Test whether plants can grow without sunlight and water.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

In this science fair project you will make a model of a cell membrane using very simple material.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.