Preschool - 6th Grade Engineering and Science Inquiry Resources : Page 16

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

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.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Test your friends to find out if you can replicate the placebo effect's incredible results.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

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

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

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

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

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.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea examines whether boys and girls differ in reflexes.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

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

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

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