Engineering and Science Inquiry Activities : Page 22

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.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

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.

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

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.

Science fair project that demonstrate how abrasions are formed on rocks in nature and the variations between types of rocks.

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

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

Does "short circuit" mean that electricity takes a short course? This science experiment provides steps to help you get to the bottom of this science mystery.

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

Get this cool middle school science fair project idea on how to conduct a flame test to detect the presence of certain metals in chemical compounds.

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

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

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

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

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.

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

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

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!