Everyday Science MCQs

pH 7 refers to the approximate neutral pH at standard conditions

base is the term that matches the description: a substance that accepts hydrogen ions or produces hydroxide ions

water refers to a compound with the formula H2O

solar energy refers to energy obtained from sunlight

solar energy refers to energy obtained from sunlight

insulator is the term that matches the description: a material that resists electric current

acceleration refers to rate of change of velocity

carbon dioxide refers to the gas plants commonly use during photosynthesis

acceleration is the term that matches the description: rate of change of velocity

water refers to a compound with the formula H2O

gravity is the term that matches the description: the force attracting masses toward one another

base refers to a substance that accepts hydrogen ions or produces hydroxide ions