Atoms, Molecules, Matter Crossword Puzzle

QUESTIONS LIST:

• matter : anything that has mass and takes up space.
• mixture : when two or more substances are together in the same place but are not chemically bonded.
• molecule : two or more atoms that are chemically bonded in a set ratio
• compound : two or more different types of atoms that are chemically bonded in a set ratio.
• atom : the building blocks of matter; the smallest particle of which everything is made.
• substance : a kind of matter that is pure and has specific properties.
• physical property : a characteristic of a pure substance that can be observed without changing it into another substance.
• chemical property : a characteristic that describes a substances ability to turn into a different substance.
• heterogeneous : a mixture of two or more substances where the substances can be clearly seen and easily separated.
• homogeneous : a mixture of two or more substances where the substances are so evenly mixed it is hard or impossible to separate.
• conservation of mass : this law states that mass is neither created nor destroyed, it is only transferred.
• chemical change : a change in which a substance is either broken apart or combines to produce another substance.
• physical change : a change that alters the form, state of matter or appearance of a substance without changing into another substance.
• element : a pure substance that cannot be broken down by chemical or physical means. these are also the different types of atoms.