WorksheetsYr 8 Chemistry vocabulary
Total questions: 10
Worksheet time: 5mins
Condensation
a change of state from gas to solid
a change of state from liquid to gas
a change of state from solid to liquid
a change of state from gas to liquid
Sublimation
when a solid changes to a liquid
when a new chemical forms after a reaction
when a solid changes to a gas
when a reaction gives off heat
Physical change
the parts of a mixture remain unchanged
substances are combined in a reaction
a new substance is formed
a solid becomes liquid
Contraction
a disagreement between scientists
something becomes smaller
a liquid appears
a new chemical appears
Precipitate
a clear liquid formed after a reaction
a reaction that occurs very rapidly
a solid formed when a reaction occurs in a liquid
a gas forming bubbles in a liquid after a reaction
Molecule
part of an atom
a group of atoms
a mixture of atoms
a type of atom
Exothermic
a reaction that needs heat to start it
a reaction that is made faster by adding heat
a reaction that remains cold
a reaction that produces heat
Mass
the weight of a substance
the amount of a substance
the surface area of a substance
the volume of a substance
Evaporation
the amount of heat lost in a reaction
the change from gas to liquid
the space occupied by a substance
a change that produces a new substance
Diffusion
a change from liquid to gas
mixing of two solids
a chemical reaction requiring heat
mixing of particles due to their own movement
