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

Take a dive into the candy jar with this yummy science experiment.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

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

Learn about nature by making your own mini moss garden.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

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

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

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

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

This easy at-home experiment is a great way to "see" science.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

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

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.