อยากได้แบบฝึกหัดฟรีนับพัน (ไม่มีสิ่งรบกวนเลย)? Here’s how
ได้รับความนิยมมากที่สุด
Newest
Oldest
A-Z
Z-A
Science
How sounds travel
select and drop
Loud and Soft Sound
write the correct answer
Sound and Light energies
Here students can practice with sounds
SOUND PROPERTIES
Sounding and hearing
Learn vocabulary
Speed of sound at different temperatures and in different mediums.
Sm sd 4 science sound
sounds and hearing
Worksheet for Sound
Science sound project
sounds can be low or high
well done science
pitch of a sound
loud soft sound
Write the correct answer.
About loud and soft sound
This is the phenomenon of how sound changes in proximity of the observer.
How to change the pitch
Sound travels