Rewards 14 Vocab Quiz

an adjective used to describe things that relate to science

something in the universe, such as oxygen, mercury, or gold, that is made up of one kind of atom

the smallest piece of a certain element that still acts like that element

an element that is a soft, silvery gray metal that melts easily when held in the palm of your hand

a thing that is formed when two or more atoms (alike or different) are joined together

the _______ of something is its outer boundary

a series of actions that have a particular result, such as factory workers taking raw materials and changing them into something else

the physical part of the universe, consisting mainly of solids, liquids, and gases

when something suddenly releases its energy

power that provides heat or makes machines work; it comes from such sources as the food we eat, electricity, or the sun