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By the end of this short course, you will be able to:

• Use negatives and opposites
• Simplify: expressions with absolute value
• Add integers
• Subtract integers

This course covers how to add, subtract, multiply and divide whole numbers.

Outcomes

In this unit you will learn about:

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

Outcomes

In this lesson you will learn how to:

1. Identify and write algebraic expressions.
2. Recognise and work with like and unlike terms.
3. Simplify algebraic expressions.
4. Solve linear equations.

Understanding the structure of a muscle cell

Outcomes

In this course you will learn about:

1. Archimedes discovery.
2. Why some objects float and others sink.
3. Buoyant force.
4. Archimedes principle.

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. 

Learn how you can calculate the maximum height of a launched object by using the total energy of a system. Energy that is conserved can be transferred within a system from one object to another changing the characteristics of each object, like position. 

Mathematical expressions, which quantify how the stored energy in a system depends on its configuration (e.g. relative positions of charged particles, compression of a spring) and how kinetic energy depends on mass and speed, allow the concept of conservation of energy to be used to predict and describe system behaviour.

Learn how you can calculate the launch velocity of an object by using the total energy of a system. Energy that is conserved can be transferred within a system from one object to another changing the characteristics of each object, like velocity.