4th - 6th Grade Engineering and Science Inquiry Resources : Page 15

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

This science fair project idea explores whether color affects a person's emotional state.

Construct and experiment with a periscope using reflected light rays to gather an image.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Learn whether writing things down really makes things easier to remember.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Could there be toxic chemicals lurking in the cupboards and closets of your home?

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Find out whether putting something on top of a plant will inhibit its growth.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

This science research project challenges students to think of more effective lobster farming methods.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

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 it is easier to balance on a narrow ledge or on a rope.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

In this science fair project you will make a model of a cell membrane using very simple material.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

This science fair project will help students learn about non-vascular plants, such as mosses.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

This science fair project idea investigates if fats add to the flavor of food.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...