Question

make a model of seismograph ​

Answer 1

Answer:

■ Fill a 2-liter soda bottle with water and use wire to suspend it about 1′ above the surface of a table, using a sturdy stick or ruler set across stacks of heavy books.

■Tape a sheet of paper with aluminum foil underneath it to the table, beneath the bottle

Answer 2

Answer:

here is your answer

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