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

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

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

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

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

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

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

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

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

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.