Science
Waves, Light & Sound
Conceptual
8–9 yrs
Volume & Vibrations
响度与振动
Description
Find patterns between the volume of a sound and the strength of the vibrations that produced it
Mastery Evidence
- Describe the pattern: stronger vibrations (larger movements) produce louder sounds
- Demonstrate volume changes by varying the force applied to a sound-making object
- Explain volume as how loud or quiet a sound is, determined by the size of vibrations
Assessment Prompt
Can your child explain why hitting a drum harder makes a louder sound, and what's happening to the drum skin differently?
Prerequisites 2
Vibrations & Sound
必须先理解振动产生声音，才能发现音量的规律
Light & Sound Vocabulary
发现音量规律需要掌握"音量"和"振动"相关词汇
Unlocks 1
Waves & How They Move
