2nd - 5th Grade Engineering and Science Inquiry Activities : Page 13

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

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.

This project compares the strength of one, two, and three-ply toilet paper.

This science fair project idea provides evidence that air is everywhere and takes up space.

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.

This project examines what types of objects burn and which burn faster and cleaner.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

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

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

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!

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

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

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

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.