electric bells

Type: 
Topical Term
Subfield: 
a
Alias: 
electric bells

Bells and buzzers

"When a bell rings or a buzzer goes off, it often serves as a reminder to complete a certain task or directs our attention to something that needs to be done. Readers learn about the various functions of bells and buzzers and how they operate throughout this . . . text, which explores . . . science curriculum topics"--Provided by publisher.
Cover image of Bells and buzzers
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