Preschool - 7th Grade Engineering and Science Inquiry Activities : Page 14

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

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

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

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

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

In this science fair project, young children notice and track changes in trees throughout the year.

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!

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

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!

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

Examine the effect of pressure on carbonation in soda.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

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

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Make a backbone model to explore human anatomy and life science.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

In this experiment we will be determining whether birds prefer certain colors of seed.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Learn how different types of soil affect how animal tracks form in this experiment!

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

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.