Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

This science fair project idea explores the different properties & interactions of sugar molecules.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

This science fair project idea compares biodiversity between drops of water.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

This science fair project idea investigates if fats add to the flavor of food.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

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

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

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

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.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.