This science research project challenges students to think of more effective lobster farming methods.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

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 explores how osmotic pressure forces water through the root up into the plant.

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

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Do different types of oil mix or stack? Find out in this science fair project idea!

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.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

This science fair project will help students learn about non-vascular plants, such as mosses.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

This science fair project idea produces varying pitches of sound.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

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

In this science fair project, students create their own miniature salt flats at home.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

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

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.