3rd Term Glossary Vocabulary

Rules and InstructionsOn 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

Acid

AcidSubstance that releases H+ ions

and produces hydronium ions when dissolved in water.

Base

Base

BaseSubstance that accepts H+ ions

and produces hydroxide ions when dissolved in water.

Chemical Equations

Chemical Equations

Chemical EquationsShorthand 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

Compound

CompoundPure substance that contains two

or more elements.

Diffusion

Diffusion

DiffusionA 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

Electromagnet

ElectromagnetA magnet created by wrapping a

current-carrying wire around an iron core.

Endothermic

Endothermic

EndothermicChemical reaction in which heat

energy is absorbed.

Exothermic

Exothermic

ExothermicChemical reaction in which heat

energy is absorbed.

Chemical Formula

Chemical Formula

Chemical FormulaA combination of chemical

symbols and numbers that indicates which elements and how many atoms of each element are present in a molecule.

Gravity

Gravity

GravityThe force that exists between

any two massive objects.

Magnetic Field

Magnetic Field

Magnetic FieldSurrounds a magnet and exerts a

magnetic force on other magnets.

Neutral

Neutral

NeutralHaving neither a positive or

negative charge; on the pH scale: having a pH of 7.

Periodic Table

Periodic Table

Periodic TableA table showing all the known

elements (both natural and synthetic), their symbols, atomic number, and atomic mass.

Product

Product

reactants products

ProductSubstance that forms as the

result of a chemical reaction.

reactants

products

Reactant

Reactant

reactants products

ReactantSubstance that exists before a

chemical reaction begins.

reactants

products

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