Isoelectric point Student activity Play

Isoelectric point and the structure of glycine Animation Play

Lattice formation enthalpy Student activity Play

Lattice formation enthalpy and melting points of ionic compounds Illustration Play

Length of pencils Animation Play

Lenses Whiteboard presentation Play

Lenses Class activity Play

Let us draw a road in the coordinate system Student activity Play

Limitations of acid-base titrations Student activity Play

Limitations of acid-base titrations Chart Play

Line parallel to a vector through a given point Student activity Play

Line parallel to a vector through a given point Whiteboard exercise Play

Line that is tangent to both circles Animation Play

Linear equations with many solutions Student activity Play

Linear function Whiteboard exercise Play

Linear function Student activity Play

Linear function y = ax and its graph Student activity Play

Linear function  y = ax  and its graph for negative  a Simulation Play

Linear function  y = ax  and its graph for positive  a Simulation Play

Linear function  y = ax  and its graph for  a > 0 Student activity Play

Lines, rays and segments Student activity Play

Location of points relative to a parabola Student activity Play

Locus of all the points equidistant from a segment Simulation Play

Locus of all the points equidistant from two points Simulation Play

Logarithms in chemistry Student activity Play