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Showing Results for level d books

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

A Distant Sound

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Testing pH Levels in Everyday Foods and Household Products

When you see those sunscreen "protection levels," what does that really mean?  Try this experiment to find out.

Sunscreen Experiment

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Ancient Building Techniques

Teach your preschooler some physics that she can relate to with this fun and simple activity!

Get Revved Up About Preschool Physics

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Build a Castle...and Explore First Grade Geometry!

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Light Intensity and Distance

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

How to Make a PVC Pipe Instrument

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

Acoustics: The Study of Sound

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Nice Shades! How Light and Color Affect Sight

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.

Blanket Fort

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Understanding Volume

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Too Cold to Chirp?

This science project examines the history of earthquakes and what we can do to prevent future disasters.

Earthquakes: What Can We Learn from History?

Looking for a way to help your teen explore the fun side of physics? How about a round of Saturday morning cartoons?

Cartoon Physics

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

Comparing Additive and Subtractive Color

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Play Forensic Flashlight Tricks

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket.  So put on your safety goggles and let her rip.

Film Canister Rocket

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Helicopter Seeds

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

Measuring Heart Rate with Doppler Ultrasound

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

What Instruments are Used to Create Bird Sounds in Classical Music?

Discover the force of water! This article provides step-by-step instructions for creating your own science experiment.

Hydro-Power

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Sound Resonance: How to Calculate Speed of Sound

In this science fair project, young children discover what happens when two fluids that have different densities get together.

What Happens When Oil and Water Get Together?

This science fair project idea studies how talking on a cell phone affect driving?

Cellular Phones & Driving: What is the impact of cell phone usage during driving?

This awesome diffraction grating experiment puts high school students&#39; applied math skills to the test by having them calculate the wavelength of laser light.

Diffraction Grating Experiment: Wavelength of Laser Light

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

How Do Mirrors Work?

What do you get when you combine science and fairies? Fairy scientists who make their own potion, of course! This activity promotes critical thinking skills as your child mixes, experiments, and creates their very own fairy potions.

Make Your Own Fairy Potion

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.

How Well Does Sound Travel Through a Gas? A Liquid? A Solid?

This experiment investigates whether there are certain sounds that affect men and women differently

Evaluating Gender Differences in Sound Perception

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