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In the FlinnPREP™ Inquiry Lab for AP® Physics 1 Speed of Sound, students identify the physical variables that affect the force of sound between two objects.
Includes access to exclusive FlinnPREP™ digital content to combine the benefits of classroom, laboratory and digital learning. Each blended learning lab solution includes prelab videos about concepts, techniques and procedures, summary videos that relate the experiment to the AP® exam, built-in student lab safety training with assessments, and standards-based, tested inquiry labs with real sample data. FlinnPREP™ Inquiry Lab Solutions are adaptable to you and how you teach with multiple ways to access and run your AP labs.
This item can only be shipped to schools, museums and science centers
AP Physics 1, Big Idea 6, Investigation 14
Lightning flashes and we see it immediately, then a few seconds later we hear a thunderclap. Since light travels faster than sound, counting the seconds between the lightning and the thunder gives us an approximation of how far away the lightning flashed. Just how fast does sound travel?
This advanced-inquiry lab begins with an introductory cooperative class activity to determine the speed of sound in air using echoes as sound waves are generated and reflect off a flat surface. Students are then challenged to design a procedure to measure the speed of sound by employing the concepts of standing waves and resonance in a closed-end tube. The guided-inquiry activity includes a set of eight tuning forks so each group works with a different sound frequency. Students analyze and compare the two different methods of measuring the speed of sound.
Complete for 24 students working in groups of three. A tape measure is required and available separately. All materials are reusable.
FLINNprep is just one of the powerful learning pathways accessed via PAVO, Flinn’s award-winning gateway to standards-aligned digital science content paired with hands-on learning.
Materials Included in Kit:
Cellulose acetate butyrate tubing, 1" i.d., 2 feet long, 8
MDO plywood block, 2
PVC pipe, ½" i.d., 2 feet long, 8
Stopper, solid, size #5, 8
Tuning forks, set of 8
HS-PS4-1. Use mathematical representations to support a claim regarding relationships among the frequency, wavelength, and speed of waves traveling in various media.
