Last updated Aug 30, 2025
Junior Cycle Science
Study Junior Cycle Science with expert-written notes, quizzes, past papers, and exam-style questions. Everything is aligned to the Junior Cycle Science syllabus to help students understand key topics, stay on track with their study goals, and feel confident on exam day. Start studying smarter with SimpleStudy today.
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Explore Junior Cycle Science by Topics
The Respiratory System
The Circulatory System
The Digestive System
Ecology & Habitat Study
Food & Human Health
Microbiology
Photosynthesis
Plant Reproduction
Pollution & Conservation
Genetics
Respiration
The Cell
Acids & Bases
Atomic Structure
Elements, Compounds & Mixtures
Metals
Periodic Table of Elements
Mixtures
Solutions
States of Matter
Water
Earth, Moon & Sun
Space
Lab Safety
Area, Volume & Density
Distance, Speed & Time
Electricity & Static Electricity
Energy
Force & Moments
Heat
Measurement & Units
Human Reproduction
Rates of reaction
Energy Transfer in Chemical Reactions
Chemical Reactions
Evolution
Biodiversity
Common Gases
The Atom
Earth In Balance
Density
The Scientific Method
Enzymes
Investigations in Science
Cell Structure
Materials
Measurement
The Study of a Habitat
Conservation of Biodiversity
Human Health
Inheritance and Variation
Micro-organisms
Elements, Compounds and Mixtures
Solutions and Formation of Crystals
Separating Mixtures
Acids and Bases
Rates of Reactions
The Periodic Table
Metals and Non-Metals
Sustainability
Speed, Displacement, Velocity and Acceleration
Forces
Energy Types and Sources
Heat Energy
Current electricity
The Earth, Sun and Moon
The Origin of the Universe
The Water Cycle, Carbon Cycle
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