Junior Cycle Science: Chemistry
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States of Matter
Matter is everything around us and can exist as solids, liquids, and gases.Explore how particles behave and how substances change state by selecting a quiz below.
Solutions and Crystals
Investigate how solutes and solvents combine, the factors that affect dissolving, and the formation of crystals.
Select a quiz below to test your understanding.
Separating Mixtures
Mixtures contain substances that can be separated without changing their chemical properties.Choose a quiz below to explore the methods used to separate different mixtures.
The Atom
Everything around us is made of atoms.Discover how atoms are structured and how their particles determine the properties of matter by choosing a quiz below.
01 Atoms and Molecules
Reading
02 Subatomic Particles Part One
Reading
03 Subatomic Particles Part Two
Reading
04 Atomic Numbers and Mass Numbers - Part One
Reading
05 Atomic Numbers and Mass Numbers - Part Two
Reading
06 Atomic Numbers and Mass Numbers - Part Three
Reading
07 Electron Arrangement in Atoms
Reading
Elements, Compounds and Mixtures
Explore the substances that make up our world.
Learn about elements, compounds, mixtures, and chemical naming conventions by choosing a quiz below.
The Periodic Table
Explore how the Periodic Table organises the elements and learn about their properties.
Select a quiz below to begin.
Chemical Reactions
Explore how chemical reactions occur and learn how to write and balance chemical equations.
Discover valency, reaction rates, energy changes, and the role of catalysts by selecting a quiz below.
Gases
Gases are all around us, even though we cannot usually see them.
Discover how oxygen and carbon dioxide are used, and learn how combustion reactions work by selecting a quiz below.
Acids and Bases
Acids and bases are important substances found in everyday life.
Explore how they are identified, measured, and used through the quizzes below.
Metals
This topic examines the extraction of metals, their key properties, the advantages of alloys, and the chemical processes responsible for corrosion. Choose a quiz below to get started.
Fossil Fuels and Plastics
Plastics and fossil fuels are used every day around the world.
Explore where they come from, how they are used, and why they are important through the quizzes below.
Exam Style Questions
Test your knowledge with Chemistry questions from past Junior Cycle Science exam papers.
Choose a topic below to get started.
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