1st - 7th Grade Engineering and Science Inquiry Activities : Page 15

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.

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!

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

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

In this science fair project, students use the streak test to tell minerals apart from each other.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.