## Browsing Open Schooling by publisher "National Council Of Educational Research And Training (NCERT)"

Now showing items 1-20 of 258

• #### AAA-Axiom ﻿

(National Council Of Educational Research And Training (NCERT), 2016-09)
This applets shows the AAA (angle angle angle) similarity of triangle.

• #### Air Pollution ﻿

(National Council Of Educational Research And Training (NCERT), 2014-04)
Air pollution is explained in context with industrial revolution.

• #### Alfred Nobel ﻿

(National Council Of Educational Research And Training (NCERT), 2014-04)
Not available

• #### Angle in the Same Segment of a Circle ﻿

(National Council Of Educational Research And Training (NCERT), 2015-07)
By using this applet, you can determine the relationship between the angles in the major segment or minor segment of the circle.

• #### Angle Subtended by a Chord at the Center of a Circle ﻿

(National Council Of Educational Research And Training (NCERT), 2015-07)
This Geogebra applet is about an angle subtended by a chord at the centre of a circle; using this applet we can find relation between two equal chords of the same circle.

• #### Angle Subtended by an Arc ﻿

(National Council Of Educational Research And Training (NCERT), 2015-07)
This Geogebra applet is about the relationship between the angle subtended by an arc at the center and at any point on the remaining part of the circle.

• #### Angle Subtended by an Arc of a Circle ﻿

(National Council Of Educational Research And Training (NCERT), 2016-09)
This geogebra applet helps to investigate what relation does the angle subtended by an arc at center of the circle have when the same arc subtend an angle at any point on the circumference of the circle.

• #### Angle Sum Property of a Quadrilateral ﻿

(National Council Of Educational Research And Training (NCERT), 2015-07)
Using this applet, one can understand angle sum property of a quadrilateral along with testing the same for different types of quadrilaterals.

• #### Area of a rectangle ﻿

(National Council Of Educational Research And Training (NCERT), 2014-04)
This applet can be used to find area of a rectangle by counting number of squares inside it. One can also observe how multiplication of two numbers can be used in finding area of a rectangle or square.

• #### Area of a Triangle ﻿

(National Council Of Educational Research And Training (NCERT), 2015-07)
This Geogebra applet is about the area of a triangle; using this applet, concept of collinearity of three points can be understood. One can also determine area of a triangle when i) coordinate of vertices are given or ii) ...

• #### Area of Parallelogram ﻿

(National Council Of Educational Research And Training (NCERT), 2015-07)
This applet can be used for analyzing area of a parallelogram.

• #### Area of Triangles between the Same Base and Same Parallel Lines ﻿

(National Council Of Educational Research And Training (NCERT), 2016-09)
This applet shows the area of triangles between same base and same parallel lines are always equal.

• #### Atomic Array ﻿

(National Council Of Educational Research And Training (NCERT), 2014-03)
This video shows the pattern of atomic array. Understanding of pattern of atomic array with the use of steel balls and CD cover case.

• #### Atoms and Molecules ﻿

(National Council Of Educational Research And Training (NCERT), 2014-04)
Not available

• #### Auto Siphon ﻿

(National Council Of Educational Research And Training (NCERT), 2014-03)
This video describes the making of Auto Siphon, with the use of Aluminium wire, plastic tube and paper, after making this model put into coloured water. It can start and stop itself in response to change in water levels.

• #### Balancing Bicycle ﻿

(National Council Of Educational Research And Training (NCERT), 2014-04)
This video shows the moving bicycle which is made by wheels of card sheets. This bicycle is simply balancing on rope and easily moving from left to right or right to left.

• #### Balancing Joker ﻿

(National Council Of Educational Research And Training (NCERT), 2014-04)
This video shows the making of a balancing toy having long arms. It is a fun balancing toy requires rubber disk face, steel nuts and wooden stick. One can rotate it very easily.

• #### Balancing Nails ﻿

(National Council Of Educational Research And Training (NCERT), 2014-04)
This video shows that how one can balance dozen of nails together. It also explains that balance all of the nails on the head of a single nail.

• #### Bio Diversity ﻿

(National Council Of Educational Research And Training (NCERT), 2014-04)
Not available

• #### Biology Textbook: Class 11 ﻿

(National Council Of Educational Research And Training (NCERT), 2015-12)
This textbook covers biological topics with chapter titles including: The Living World, Biological classification, Plant Kingdom, Animal Kingdom, Morphology of Flowering Plants, Anatomy of Flowering Plants, Structural ...