WorksheetsChapter 7 Glossary - Physical and Chemical Change
Total questions: 25
Worksheet time: 13mins
A change of state where a liquid is heated and changes to a gas within the liquid
Boiling
Condensation
Melting
Evaporation
The chemical reaction in plants that converts carbon dioxide and water into oxygen and glucose using energy from the Sun
Crystallisation
Respiration
Plant Synthesis
Photosynthesis
Contraction is
an increase in size
a decrease in size
a change of state
the process of diffusion
Expansion is
An increase in size
a decrease in size
a change of state
the process of diffusion
The substance found in plant leaves that makes leaves green and collects energy from the sun for photosynthesis
Chloroplast
Chlorophyll
Green pigment
Green leaf
Any chemical reaction where a substance burns in oxygen to produce light and heat
Corrosion
Combustion
Crystillisation
Chloroplast
Evaporation of a solvent from a solution, leaving solute behind as crystals
Corrosion
Combustion
Crystallisation
Chlorophyll
A solid formed during a chemical change
Glucose
Ice
Solution
Precipitate
The change of state from gas to solid
Sublimation
Evaporation
Freezing
Deposition
A change of state where a liquid changes to a gas at the surface of their particles
Condensation
Melting
Freezing
Evaporation
Freezing is the change of state from
gas to solid
liquid to solid
solid to liquid
solid to gas
The chemical property of a substance that describes how easily the substance undergoes combustion
Fire
Explosion
Flammability
Hazardous
A change of state where a gas is cooled and forms a liquid
Evaporation
Condensation
Freezing
Sublimation
A substance dissolved in another substance to form a solution
Solute
Solvent
Aqueous
A substance (usually a liquid) that dissolves another substance to form a solution
Solvent
Solute
Aqueous
Melting is a change of state from
Solid to gas
Solid to liquid
Liquid to solid
Gas to solid
Sublimation is a change of state from
Gas to solid
Solid to gas
Liquid to Solid
Liquid to gas
In this reaction, oxygen and glucose are converted into water and carbon dioxide while releasing energy.
Photosynthesis
Respiration
Mitochondria
Chloroplast
The substances formed in chemical reactions after the arrow in a word equation
Reactions
Produce
Products
Reactants
The substances starting in chemical reactions before the arrow in word equations
Reactions
Products
Reactants
Produce
The characteristics of substances that determine how they react chemically with other substances
Chemical properties
Chemical change
Physical properties
Physical change
The change that does not result in a new substance being produced
Chemical change
Physical change
Physical property
Chemical property
The characteristic of a substance that describe how it looks, feels, smells and responds to external forces.
Chemical property
Chemical change
Physical change
Physical property
A change that results in a new substance being formed
Chemical change
Physical property
Chemical property
Physical change
A form of sugar that is produced during photosynthesis and used in respiration to produce energy
Glycogen
Glucose
Lipids
Protein
