8th Grade Science Crossword Puzzle

QUESTIONS LIST:

• elements : substances that can't be broken down
• lift : a force that causes a bird to rise in the air against each other
• current : a stream of electrical charges
• turbine : a rotating engine that works when gases
• inertia : an object's resistance to change in motion
• heat : energy moving from one area to another
• kinetic energy : energy in motion
• neutral : neither an acid nor a base
• friction : a force that keeps two objects from rubbing smoothly
• compounds : two or substances that have combined together chemically to form a new substance
• chemical bond : the force that holds atoms together in order to form molecules
• drag : a force that works against an object in motion
• efficient : done without wasted effort or expense
• photons : tiny packets of electromagnetic radiation or energy
• base : a bitter substance that has a ph of greater than 7
• analysis : study of something by breaking it down into smaller parts
• potential energy : stored energy that is created by the force of gravity or liquid flows through it
• atomic : of or related to the subject of atoms
• oscillation : one complete swing back and forth
• acid : a sour substance that has a ph of less than 7
• thrust : a force that pushed an object forward into the air
• alchemy : ancient art of experimenting with metals
• mixtures : combinations of two or more substances
• semiconductors : solid elements that aren't great conductors