Q: What is the term for the loss of one or more electrons by an atom? Choices: - half-life - decomposition - evaporation - oxidation A:
oxidation

Q: What colorful arc-shaped atmospheric phenomena are produced by a combination of refraction and reflection? Choices: - lightning - shadows - sunsets - rainbows A:
rainbows

Q: What do we consider the basic building blocks of life? Choices: - atoms - neurons - muscles - cells A:
cells

Q: The sun and all objects held by it's gravity make up the? Choices: - milky way - planet - atmosphere - solar system A:
solar system