1st - 4th Grade Engineering and Science Inquiry Activities : Page 9

This science fair project idea demonstrates that plants give off water.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

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

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

This science fair project idea explores the egg's thin membrane.

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 identifies trees using a dichotomous key.

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.

This classic children's game demonstrates how sound travels through air vs. through a solid.

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

In this project students experiment with making music using only glasses of water.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

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.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

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

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Using a toy race car kids create a visual model of the Doppler Effect.