光与声词汇
Light & Sound Vocabulary
学习并运用描述光和声音行为的词汇——光源、透明、半透明、不透明、影子、反射、振动、音高、音量——并正确运用这些术语来描述关于光如何传播以及声音如何产生和变化的观察。
Name and use vocabulary for how light and sound behave — light source, transparent, translucent, opaque, shadow, reflect, vibration, pitch, volume — and apply these terms correctly when describing observations about how light travels and how sounds are made and changed
学习证据 / Evidence
- 能正确将一组材料分类为透明、半透明或不透明,并解释每个术语。
- 能使用“不透明”和“光源”这两个词来解释影子形成的原因。
- 能使用振动相关词汇描述是什么改变了一个声音的音高或音量。
- Correctly classify a set of materials as transparent, translucent, or opaque and explain each term
- Explain what causes a shadow using the words 'opaque' and 'light source' correctly
- Describe what changes the pitch or volume of a sound using vibration vocabulary
评估问题 / Assessment
如果你举起一块磨砂玻璃,{{name}}能说出它是透明的、半透明的还是不透明的,并解释这个词语的意思吗?
If you held up a piece of frosted glass, could {{name}} say whether it's transparent, translucent, or opaque — and explain what that word means?