Flash Cards

Science Terms Chapter 1

Term TextBook Definition Personal Remembrance Trigger
Boiling point the temperature at which a liquid changes into a gas when a liquid turns to a gas
Conductivity ability to conduct heat or electricity ability to conduct heat or electricity
Density ratio of a material's mass to its volume; usually measured in kg/cm3 ratio of a material's mass to its volume; usually measured in kg/cm3
Electrons Negatively charged particles surrounding atomic particles Negatively charged particles surrounding atomic particles
Element a pure substance that cannot be broken down or separated into simpler substances pure substances that can't be broken down
Hazard Symbols warnings printed on containers to indicate that either the container or the product is dangerous warning labels that mean be careful
Mass the amount of matter in a substance or object; the more matter, the greater mass; usually measured in kg the amount of matter in a substance or object
Melting Point the temperature at which a solid begins to liquify the temperature at which a solid begins to liquify
Neutron uncharged particle in the atomic nucleus uncharged particle in the atomic nucleus
Nucleus In chemistry the positively charged centre of an atom, which contains protons and electrons
Also in biology the organelle that controls all the activities within that cell
In chemistry the positively charged centre of an atom, which contains protons and electrons
Also in biology the organelle that controls all the activities within that cell
Proton positively charged particle in the atomic nucleus positively charged particle in the atomic nucleus
State a property of a substance describing it as solid, a liquid, or a gas a property of a substance describing it as solid, a liquid, or a gas
Subatomic Particles particles such as protons, neutrons and electrons that are smaller than atoms. the prefix sub- means below particles such as protons, neutrons and electrons that are smaller than atoms. the prefix sub- means below
Volume the amount of space taken up by a substance or object, usually measured in litres (L) or cubic centimetres (cm3) the amount of space taken up by a substance or object, usually measured in litres (L) or cubic centimetres (cm3)
WHMIS system of eight warning symbols used throughout canada to provide safety information about chemicals system of eight warning symbols used throughout canada to provide safety information about chemicals
Atom The smallest particle of an element that retains the properties of that element Smallest particle that retains properties of a certain element




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