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Introduction to bacteria

This online interactive lesson discusses what reflections are and provides examples of reflections.

This YouTube video explains how river basins are formed.

This video will look at rotation. Rotation involves turning a shape around a set point.

This online lesson explains what rotations are.

This YouTube documentary highlights the ecological and socio-economic importance of the Tana River Basin in Kenya.

In this lesson you will learn about:

1. Enlargement and reduction of shapes using a scale factor.
2. Reflection of geometric shapes.
3. Translation of geometric shapes.
4. Rotation of geometric shapes.

This online lesson explores the concept of translations.

Students learn about two-axis rotations, and specifically how to rotate objects both physically and mentally about two axes. A two-axis rotation is a rotation of an object about a combination of x, y or z-axes, as opposed to a single-axis rotation, which is about a single x, y or z-axis. Students practice drawing two-axis rotations through an exercise using simple cube blocks to create shapes, and then drawing on triangle-dot paper the shapes from various x-, y- and z-axis rotation perspectives.