Showing Results for high frequency 3 : Page 22

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

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.

Explore convex and concave objects and how they reflect light.

Evaluate the efficacy of different pain management techniques.

This project examines whether sugar substitutes are as sweet as real sugar.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

The objective of this science fair project is to determine whether drawing with the right side or the left side of your brain will produce a better picture.

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

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!

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!

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Find out which type of sponge holds the most water.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Will people perceive your intelligence differently depending on your hair color? Find out in this science fair project idea!

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.