Examine the effect of pressure on carbonation in soda.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

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.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

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

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

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.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

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

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Using a toy race car kids create a visual model of the Doppler Effect.

The goal of this project is to create an exciting topographical map out of dough.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

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

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

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