Fundamental principle of counting.

Hydraulic lift.

Rusting of iron

Magnetic attraction of iron fillings

Induced fit model

Separation of substances

Greenhouse effect global warming

Prisms

Doing and undoing equation

Coordinates of a point.

Angle between two planes.

Pythagorus theorem.

Angles of elevation and depression

Right circular cone

Area of irregular rectilinear figures (Surveyor method)

Asasa case.

Photosynthesis

Properties of an isosceles traingle.

Solving Equations.

Angle in a semicircle.

Living things

Krebs Cycle

Griffith's expeiment

Culture of Microorganism

Carbon cycle

Chromosomes