The Cell: Structure and Functions
The cell is the basic unit of life. Learn the main parts of the cell and what each one does.
Articles
Study guides, exam tips and subject breakdowns.
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Biology
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Welcome to Ustaad Edu
Your first article — edit or delete it from the admin panel.
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Biology
Photosynthesis: How Plants Make Food
Understand how green plants convert sunlight, water and carbon dioxide into food and oxygen.
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Biology Premium
The Human Digestive System
A step-by-step tour of how food is broken down and absorbed in the human body.
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Chemistry
States of Matter and Their Properties
Solids, liquids and gases: how their particles behave and how matter changes state.
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Chemistry
Atomic Structure and the Periodic Table
Protons, neutrons and electrons, and how elements are arranged in the periodic table.
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Chemistry Premium
Chemical Bonding Made Simple
Ionic, covalent and metallic bonds explained with easy examples.
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Physics
Newton Laws of Motion
The three laws that describe how objects move, with simple everyday examples.
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Physics
Work, Energy and Power
What work really means in physics, the forms of energy, and how power is measured.