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Radioactive decay and nucleosynthesis

Radioactive decay is the process by which an unstable atomic nucleus loses energy by radiation. A material containing unstable nuclei is considered radioactive. Three... Read more »

Atom

An atom is the smallest constituent unit of ordinary matter that constitutes a chemical element. Every solid, liquid, gas, and plasma is composed of... Read more »

Number system (for A/L & O/L)

A numeral system is a writing system for expressing numbers; that is, a mathematical notation for representing numbers of a given set, using digits... Read more »

The logic of Economics

Economics focuses on the behavior and interactions of economic agents and how economies work. Microeconomics analyzes basic elements in the economy, including individual agents... Read more »

Ideology and Economics

An economic ideology distinguishes itself from economic theory in being normative rather than just explanatory in its approach. Economic ideologies express perspectives on the... Read more »

ICT A/L Past papers

ICT GURU : https://bit.ly/2zvFnYd 012019 ICT OLD Syllabus022019 ICT OLD Syllabus032019 ICT NEW Syllabus042019 ICT NEW Syllabus052019 ICT NEW Marking Scheme062018 ICT072018 ICT082018 ICT... Read more »

World Oceanss

The World Ocean or Global Ocean (colloquially the sea or the ocean) is the interconnected system of Earth's oceanic waters, and comprises the bulk... Read more »

About the Earth (Part 01)

Earth is the third planet from the Sun and the only astronomical object known to harbor life. According to radiometric dating estimation and other... Read more »

Astronomer 01

Astronomy is a natural science that studies celestial objects and phenomena. It uses mathematics, physics, and chemistry in order to explain their origin and... Read more »

Ecosystem

An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. These biotic and... Read more »