We use cookies to provide you with a great user experience. By using our site, you accept our use of cookies. You can review our cookie and privacy policy here.
  • Service & Support

    Contact Us

    Our Customer Service team is available from 8am to 6:00pm, ET, Monday through Friday. Live chat is available from 8am to 5:30pm ET, Monday-Friday.

    Call:
    800.334.5551
    Fax:
    800.222.7112
    Email:
    Email Customer Service
     

    International Sales & Service

    We serve educators in more than 170 countries worldwide. Create a quote request on our website or contact our International Sales Team.

    International Ordering
  • Shopping
    Lists

    Login or register now to maximize your savings and access profile information, order history, tracking, shopping lists, and more.

  • Quick
    Order
  • My Cart
    0

    My Cart

    Your Shopping Cart is currently empty. Use Quick Order or Search to quickly add items to your order!

Sound Off

Use household materials to amplify the sound from a cell phone.
In-Booth Demonstration

In-Booth Demonstration

Life Science

Physical Science

K-8

Elem/Middle School

Design a sound amplifier using different shapes and materials. Before beginning the challenge, students should be familiar with the properties of sound waves and understand the definition of “acoustics.” The activity supports 3-dimensional learning and builds toward the following:

  • NGSS Scientific and Engineering Practices: Asking Questions; Planning and Carrying Out Investigations
  • NGSS Core Idea: Engineering, Technology, and the Application of Science 1: Engineering Design
Loading...