Som

Quiz
•
Science
•
8th Grade
•
Medium
Cristina Moura
Used 22+ times
FREE Resource
23 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este instrumento é um instrumento de ...
... cordas
... sopro
... percussão
... teclas
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um piano produz o seu som característico quando vibram...
as suas cordas
o corpo do piano
o ar dentro do piano
as suas teclas
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A unidade de frequência no Sistema Internacional (SI) é o...
... segundo (s)
... hertz (Hz)
... metro por segundo (m/s)
... decibel (dB)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As camadas de ar com maior pressão são
zonas de rarefação, com menor densidade.
zonas de rarefação, com maior densidade.
zonas de compressão, com menor densidade.
zonas de compressão, com maior densidade.
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
O período desta onda é...
4s
8s
12s
nenhuma desta opções
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Observa o gráfico pressão-tempo de uma onda sonora.
(a) corresponde à amplitude de pressão da onda
(c) corresponde à amplitude de pressão da onda
(b) corresponde à amplitude de pressão da onda
(a) nenhuma opção corresponde à amplitude de pressão da onda
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