In this experiment you explore how tectonic plates move to create land and expand bodies of water.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

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.

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

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

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

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.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This science fair project investigates why the number of visible stars changes from place to place.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

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.

In this project, the fingerprints of family members are compared to determine if people from the same family have similar fingerprints.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

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.

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.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

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

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

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

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.