Q: How do bacteria reproduce? Choices: - budding - nuclear fission - sexual reproduction - binary fission A:
binary fission

Q: What keeps earth in orbit around the sun? Choices: - energy - motion - momentum - gravity A:
gravity

Q: Unlike nuclear fission, which involves dangerous radioisotopes, nuclear fusion involves what two harmless elements? Choices: - magnesium and helium - hydrogen and oxygen - hydrogen and carbon - hydrogen and helium A:
hydrogen and helium

Q: What piece of technology can you use to see infrared light? Choices: - light meters - microscope - telescope - night goggles A:
night goggles