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

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

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

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

Learn whether writing things down really makes things easier to remember.

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

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

In this activity your child will create their very own marble maze!

Explore if planting seeds in a certain direction will affect how fast it germinates.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

This science fair project examines how seeds hitchhike on animals and clothing.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

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.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

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.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

An home science experiment for older students that teaches about the science behind heat.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

In this science fair project, students use the streak test to tell minerals apart from each other.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.