Physical Science Activities Manual ________________________________________________________________________________________________________________ ________________________________________________________________________________________________________________ Center of Excellence for Science and Mathematics Education at The University of Martin 5. Give two identical tuning forks to two students. Place them about 30 cm apart. Hit one of the tuning forks with a rubber mallet. Wait a couple of seconds and have the first student silence her tuning fork by putting her hand on it. What will happen to the other tuning fork? [It will be vibrating.] If tuning forks of different frequencies are used, the second one will not start to vibrate. 6. You are applying the principle of resonance every time you turn on your radio. Each radio station broadcasts at a specific frequency. When you turn the dial and tune in to a station, you are matching the frequency of your radio with the frequency of the broadcasting station. CONCEPT EXTENSION
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