Classification helps organise the diverse group of organisms (ACSSU111)

Interactions between organisms can be described in terms of food chains and food webs; human activity can affect these interactions (ACSSU112)

Mixtures, including solutions, contain a combination of pure substances that can be separated using a range of techniques (ACSSU113)

Predictable phenomena on Earth, including seasons and eclipses, are caused by the relative positions of the sun, Earth and the moon (ACSSU115)

Some of Earth’s resources are renewable but others are non-renewable (ACSSU116)

Water is an important resource that cycles through the environment (ACSSU222)

Change to an object’s motion is caused by unbalanced forces, including Earth’s gravitational attraction, acting on the object (ACSSU117)