Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Challenge your learner to design and build a city of their own in this creative engineering activity.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Science fair project that examines condensation and the conditions needed in order for dew to form.

In this science fair project, students use the streak test to tell minerals apart from each other.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

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

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

In this fun activity, your child will create their very own solar oven to bake s'mores!

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

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

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

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

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

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

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.