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

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

Use the dynamic worksheet to practice simplifying expressions with fractional exponents, rewriting them as radicals.

This YouTube video will guide you through a fun activity where you will draw the earth's continents and oceans.

Forces at a distance are explained by fields (gravitational, electric, and magnetic) permeating space that can transfer energy through space. Magnets or electric currents cause magnetic fields; electric charges or changing magnetic fields cause electric fields.

Magnetism is an interaction that allows certain kinds of objects, which are called ‘magnetic’ objects, to exert forces on each other without physically touching. A magnetic object is surrounded by a magnetic ‘field’ that gets weaker as one moves further away from the object. A second object can feel a magnetic force from the first object because it feels the magnetic field of the first object. The further away the objects are the weaker the magnetic force will be.

In this section, you will:

• Evaluate square roots.
• Use the product rule to simplify square roots.
• Use the quotient rule to simplify square roots.
• Add and subtract square roots.
• Rationalize denominators.
• Use rational roots.

This online resource discusses the importance of the ocean, the layers and composition of the ocean and how it moderates climates.

Exercises requiring expressions to be re-written in 'Simple Radical Form'.

This online resource investigates the features and topology of the ocean floor, the effects of wave erosion and the landforms created by coastal depositions.