๐ What this page helps with
Vocabulary + equations
Students can reveal meanings, mark terms as learned, and review equation symbols quickly.
๐ฏ Best way to use it
1. Open Vocabulary.
2. Think first before opening the science meaning.
3. Mark terms as learned.
4. Review equations.
5. Finish with Quick Check.
๐ง Tier guide
Tier 1 = everyday support words
Tier 2 = academic science words
Tier 3 = subject-specific wave vocabulary
๐ Translation support
The term always stays in English. Students can optionally reveal a Korean or Chinese translation for the simple meaning and science meaning on each card.
๐ Reset progress
โ Success checklist
1. Which statement best defines a wave?
2. In a transverse wave, particles vibrate...
3. Which equation links wave speed, frequency, and wavelength?
4. A person hears an echo 1.6 s after shouting toward a cliff. If the speed of sound is 330 m/s, why must we divide by 2 when finding the distance to the cliff?
5. When light moves from a less dense medium to a more dense medium, what happens?
6. What are the two conditions needed for total internal reflection?
7. If a sound wave moves from air into wood, which wave property stays constant according to the PPT?
8. Two identical waves meet in phase. What happens to the amplitude of the superposed wave?