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

This science fair project idea investigates the difference in reaction times between boys and girls.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

This science fair project teaches students the differences between fruits and vegetables.

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

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.

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Use pepper and soap to discover some fun facts about the properties of water.

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

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

This science fair project idea explores how length affects the weight a bridge can hold.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

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

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

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

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This biodiversity project examines the biodiversity in your own backyard.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.