Science 9 Vocabulary List - Unit 1 Chapters 1-3 - Unit 2 Chapters 4-6 - Unit 3 Chapters 7-9 - Unit 4 Chapters 10-12

Oct 1, 2026

Uploaded by Ivy

A structured Science 9 vocabulary list organized by units and chapters, compiling key terminology across chemistry, biology, physics, and astronomy. It presents core word sets such as particle and atomic concepts, chemical bonding and reactions, genetic and cell processes, static electricity and circuits, and major space science ideas. The list supports focused review and quick lookup of definitions before lessons, assignments, or assessments.

LanguageEnglish

CategoryExam

FormatPDF

Pages4

Reading Time10 min

AccessFree to download

Unit 1

Chapter 1

Chapter 2

Chapter 3

Unit 2

Chapter 4

Chapter 5

Chapter 6

Unit 3

Chapter 7

Chapter 8

Chapter 9

Unit 4

Chapter 10

Chapter 11

Chapter 12

Science 9 Vocabulary List Unit 1 | Chapter 1
atom boiling point conductivity density electron
element hazard symbol mass melting point neutron nucleus proton
state
subatomic particle volume
WHMIS
Chapter 2
alkali metals alkaline earth metals atomic mass
atomic number Bohr model chemical symbol electron shell halogens metal
metalloid multiple ion charge noble gases
non-metal
valence electron
valence shell | Chapter 3
chemical formula
chemical name covalent compound endothermic
exothermic
ionic compound
ionic lattice molecule multivalent metal polyatomic ion Roman numeral | | --- | --- | Unit 2 | Chapter 4
chromosome
DNA (deoxyribonucleic acid) gene
gene mutation
gene therapy mutagen negative mutation neutral mutation nucleolus
nucleus positive mutation protein
Chapter 5
asexual reproduction
binary fission budding cancer
cell cycle clone cytokinesis fragmentation interphase mitosis replication spindle fibres spore
stem cell
vegetative reproduction | Chapter 6
differentiation
diploid number
embryo
embryonic development external fertilization fertilization
gametes
genetic diversity
haploid number homologous chromosomes internal fertilization mating
meiosis
sexual reproduction zygote | | --- | --- | | Chapter 7
acetate
action-at-a-distance forces charging by conduction
charging by induction conductors
contact forces
coulomb electric force
electrons force grounding insulators
laws of static charge static charge
Van de Graaff generator
Chapter 8
amperes
circuit diagrams current electricity electric circuit
electric current
electric load
electric potential energy electrical resistance electrochemical cells
electrodes
electrolyte energy ohm Ohm’s law
potential difference resistance
resistor volt voltage | Chapter 9
electrical power joule
junction point kilowatt-hour parallel circuit power
power rating series circuit watt | | --- | --- | Unit 3 Unit 4 | Chapter 10
astronomers
Big Bang theory celestial bodies cosmological red shift electromagnetic radiation elliptical galaxy irregular galaxy
nebula red shift spectroscope
spiral galaxy star cluster
Chapter 11
asteroid axis black hole comet
Doppler effect fusion interstellar matter
light-year moon parallax planet revolution rotation solar system star supernova triangulation | Chapter 12
axis tilt
constellations
Copernicus ethics Galileo
geosynchronous orbit
holistic Kepler lunar eclipse
lunar month optical telescope probe
Ptolemy radio telescope rover
satellite
solar eclipse terraforming Western science | | --- | --- |

FAQs

How is the vocabulary list organized?

It is organized into Units 1–4, and each unit includes multiple chapters with term lists for that chapter.

Which topics are covered in Units 1 and 2?

Unit 1 focuses on foundational chemistry terms, while Unit 2 emphasizes biology and genetics vocabulary as well as related cell and reproduction terms.

Does the list include physics and astronomy vocabulary?

Yes. Unit 3 covers physics-related terms such as static charge and circuits, and Unit 4 includes astronomy vocabulary such as the Big Bang theory, galaxies, and telescopes.

Oct 1, 2026

Uploaded by Ivy