Showing Results for hard

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

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.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Science fair project that explores the natural process of limestone formation.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.

This project involves the development of a website using free software online to promote the value of science.

Research basic components of vacuum cleaners, consult vacuum cleaner manufacturers for advice. Design vacuum with attachments that change automatically.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This science fair project idea explores which fruit molds the fastest.

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

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

The objective of this science fair project is the compare the rate and efficiency of disaccharide and polysaccharide fermentation by yeast.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.