Engineering and Science Inquiry Activities : Page 9

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

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

Science fair project that uses iodine vapors to develop latent fingerprints on a non-porous object.

In this project, you'll create Oersted's experiment, which relates to how electric currents create magnetic fields.

This science fair project idea determines what household items are good conductors of electricity.

This science fair project idea explores the different properties of matter.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

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

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 cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Research and understand basic computer science. Build a simple computer, following instructions found online. Design a new or improved feature.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

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

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.