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4th Grade

Waves

 

Reactions & Rates

Wave on a String

Explore the wonderful world of waves! Even observe a string vibrate in slow motion. Wiggle the end of the string and make waves, or adjust the frequency and amplitude of an oscillator.
Sugar and Salt Solutions

Wave Interference

Make waves with a dripping faucet, audio speaker, or laser! Add a second source or a pair of slits to create an interference pattern.

Acid-Base Solutions

Sound

This simulation lets you see sound waves. Adjust the frequency or volume and you can see and hear how the wave changes. Move the listener around and hear what she hears.

Reactants, Products and Leftovers

Ripple

This is a simulation of a ripple tank that demonstrates waves in two dimensions!  It’s great for students to visualize and manipulate the regular patterns of motion that comes with waves in water!  In this simulation, you can draw on the screen to add more waves too.
Reversible Reactions

Why Does a Violin Sound Different from a Guitar?

Learn about wave harmonics on a string by looking closely at the sound produced by a violin using this online interactive! This is a great visual for students to learn about wavelength and wave amplitude.
OCEAN WAVE SIM

Ocean Wave Simulation

This beautiful visualization of waves allows students to change the impact of choppiness and wind on real waves! Students can learn about wave movement across the surface of deep water and predict the impact of these waves.
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KEY CONCEPT

  • Waves, which are regular patterns of motion, can be made in water by disturbing the surface. When waves move across the surface of deep water, the water goes up and down in place; there is no net motion in the direction of the wave except when the water meets a beach. (4-PS4-1)
  • Waves of the same type can differ in amplitude (height of the wave) and wavelength (spacing between wave peaks). (4-PS4-1)
  • Digitized information can be transmitted over long distances without significant degradation. High-tech devices, such as computers or cell phones, can receive and decode information—convert it from digitized form to voice—and vice versa. (4-PS4-3)
  • Different solutions need to be tested in order to determine which of them best solves the problem, given the criteria and the constraints. (secondary to 4-PS4-3)

About NGSS

Next Generation Science Standards is a multi-state effort to create new education standards that are “rich in content and practice, arranged in a coherent manner across disciplines and grades to provide all students an internationally benchmarked science education.”

ABOUT US

Our team from Temple University has developed this resource for all K-12 students and teachers of science. These vetted learning tools align to the NGSS. Find one we should include? Just fill out the form.

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TECH HELP

 

Many of these science resources require Java and Flash. Click below to download.

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