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Outcomes

In this unit you will learn about:

• The concept and applications of adhesion
• The concept and applications of cohesion

These three short online lessons discuss asteroids, comets and meteors.

This online resource discusses the distribution of earth's water.

The Earth behaves like a giant bar magnet and as such there is a magnetic field present around it. The Earth’s magnetic field is thought to be caused by flowing liquid metals in the outer core of the planet which causes electric currents and a magnetic field.

These two short online tutorials discuss how the earth rotates and then the earth's revolutions.

In the first URL, the YouTube video explains why earth has spring, summer, autumn and winter seasons. The second URL summarizes the key takeaway points.

This online tutorial will explain the earth's shape and its hemispheres.

In this lesson you will learn about:

• The concept of elasticity
• Understand the relationship between tension and extension

Outcomes

In this unit you will learn about:

• The concept of elasticity
• Understand the relationship between tension and extension

The idea of the electric field, how it's useful, and explains how the electric field is defined.