Help your little one figure out the differences between the worlds of air, land and water, a huge step in understanding how our environment works.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

Science fair project that creates fog using bottles of hot and cold water.

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

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This project examines the concentration of dissolved oxygen in water, with and without oil.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

Invite your kindergarten marine biologist to practice in scientific identification and categorization while creating a lovely treasure box.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

The goal of this science fair project was to evaluate the ElectroMagnetic Field produced by Radio Frequency Identification transmitters.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

This science fair project idea uses the process of chemical weathering to change a mineral.

Will increasing the amount of salt in water effect how slow or fast the water freezes?