How Do Sound Waves Travel?
How do radio waves travel? • How fast do sound waves travel? How fast do radio waves travel? • Have students work in pairs to compare answers and make any needed changes to their answers. • Have students work in groups to compare answers and make any needed changes to their answers. • Record each groups answers on the board. • Lead a class discussion, which will lead students to the correct answers and provide demonstrations to help develop student understanding. • Sound waves are produced by objects, which vibrate rather rapidly. This can be demonstrated by feeling your throat while speaking, seeing a speaker vibrate as the sound comes out, or striking a tuning fork. Radio waves are produced by moving charged particles. An example of this is an electric current in a wire. This can be demonstrated with a wire, a 6-volt battery and a small radio. Turn the radio on AM so that static can be heard, attach one end of the wire to the battery. Touch the other end of the wire to the other batt
Page Description: This printable challenges students to identify materials that will absorb or reflect sound. Students are also asked to evaluate true/false statements about sound waves. Grade Levels: 6 – 12 The full page is available ONLY to subscribers. Sign up today for a free 7-day trial to get access to this page and all of the 20,000 items on TeacherVision.
