Engineering and Science Inquiry Resources : Page 12

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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

This classic children's game demonstrates how sound travels through air vs. through a solid.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Learn about what happens to a current-carrying wire in a magnetic field in this cool electromagnetism experiment!

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

This science fair project idea investigates the relationship between memory and age.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Discover if soda geysers will erupt when using regular vs. diet cola and which candies will create eruptions.

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 simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This science fair project idea demonstrates that plants give off water.

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

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.