Q: Chemical equations in which heat is shown as either a reactant or a product are called what? Choices: - hydroelectric equations - thorium equations - feedstock equations - thermochemical equations A:
thermochemical equations

Q: What is formed when atoms of different elements combine in a chemical reaction? Choices: - crystals - dust - toxins - compounds A:
compounds

Q: Plants need sunlight for what process? Choices: - metamorphosis - cyclogenesis - glycolysis - photosynthesis A:
photosynthesis

Q: What happens to the electrical conductivity of metals when placed in a pot of boiling water? Choices: - stays the same - increases slowly - increases quickly - decreases slowly A:
decreases slowly