Question: Q: What light-producing process occurs when a substance absorbs shorter-wavelength ultraviolet light and then gives off the energy as visible light? Choices: - candescence - resistance - luminescence - fluorescence A:
Answer: fluorescence

Question: Q: What rocks are formed by crystallization of chemical precipitates? Choices: - volcanic - carbon sedimentary - layered - chemical sedimentary A:
Answer: chemical sedimentary

Question: Q: When light transfers its energy to objects, this is known as what? Choices: - accumulation - evaporation - condensation - absorption A:
Answer:
absorption