Vibrating objects make sound! Manipulate objects by plucking, striking, or rubbing them together to hear the sounds they make. A tuning fork, crystal goblets, and rubber bands are among the objects that help our investigation of sound.
Program Options: Wonders of Science: Sound is available only as a large group assembly. Assembly Option
ASSEMBLY MAX: 150 students
TIME: 40 minutes
GRADE: Grades K-2
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Things that make sound vibrate.
The vibrations of an object making sound can be observed by seeing or feeling them.
Different objects make different kinds of sounds, and can be manipulated to vibrate in different ways.
Changing the vibration of an object changes the pitch or the loudness/softness of its sound.
SUPPORTS MINNESOTA STATE STANDARDS:
Nature of Science and Engineering
Use observations to develop an accurate description of a natural phenomenon and compare one's observations and descriptions with those of others.
When asked 'How do you know?', students support their answer with observations.
Recognize that tools are used by people, including scientists and engineers to gather information and solve problems.
Raise questions about the natural world and seek answers by making careful observations, noting what happens when you interact with an object, and sharing the answers with others.
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