Características do som

Esta atividade enquadra-se na componente de Física do 11º ano (novo programa) no domínio Ondas e eletromagnetismo

Detalhes da Atividade

Objetivo Geral:
Investigar características de um som (frequência, intensidade, comprimento de onda, timbre) a partir da observação de sinais elétricos resultantes da conversão de sinais sonoros.

Material necessário
TI-Nspire CX
Lab Cradle

Descarregar

PDF

caraterísticas_do_som_aluno.pdf

caraterísticas_do_som_professor.pdf

TNS

caracterísiticas do som.tns

Metas Específicas

1. Identificar sons puros e sons complexos.
2. Comparar amplitudes e períodos de sinais sinusoidais.
3. Comparar intensidades e frequências de sinais sonoros a partir da análise de sinais elétricos.
4. Medir períodos e calcular frequências dos sinais sonoros, compara-los com valores de referência e avaliar a sua exati-dão.
5. Identificar limites de audição no espetro sonoro.
6. Medir comprimentos de onda de sons.

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Características do som

Detalhes da Atividade

Descarregar

Metas Específicas

Tecnologia para o Ensino Secundário

Serviços Professores e Escolas

Informação para Alunos

Apoio ao cliente

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Características do som

Detalhes da Atividade

Descarregar

Atualização da tecnologia TI-Nspire™ CX

Metas Específicas

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Serviços Professores e Escolas

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Apoio ao cliente

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