Presentation on theme: "3 rd Term Glossary Vocabulary. Rules and Instructions On each slide, there will be a word, a helpful picture hint, and the definition. These things will."— Presentation transcript:
3 rd Term Glossary Vocabulary
Rules and Instructions On each slide, there will be a word, a helpful picture hint, and the definition. These things will appear on the slide in their respective order. You will have fifteen seconds to say the answer before the slide automatically shows the answer. Words that are italicized in the definition are the key word or words that should be used in you definition.
Acid Substance that releases H+ ions and produces hydronium ions when dissolved in water.
Base Substance that accepts H+ ions and produces hydroxide ions when dissolved in water.
Shorthand form for writing what reactants are used and what products are formed in a chemical reaction; sometimes shows whether energy is produced or absorbed.
Compound Pure substance that contains two or more elements.
Diffusion A type of passive transport in cells in which molecules move from areas where there are more of them to areas where there are fewer of them.
Electromagnet A magnet created by wrapping a current- carrying wire around an iron core.
Endothermic Chemical reaction in which heat energy is absorbed.
A combination of chemical symbols and numbers that indicates which elements and how many atoms of each element are present in a molecule.
Gravity The force that exists between any two massive objects.
Surrounds a magnet and exerts a magnetic force on other magnets.
Neutral Having neither a positive or negative charge; on the pH scale: having a pH of 7.
A table showing all the known elements (both natural and synthetic), their symbols, atomic number, and atomic mass.
Product reactants products
Product Substance that forms as the result of a chemical reaction. reactantsproducts
Reactant Substance that exists before a chemical reaction begins. reactantsproducts