Australia · ACARA Content Descriptions
Year 8 Science
A comprehensive exploration of the systems that govern our physical and biological world. Students investigate the microscopic building blocks of life, the chemical nature of matter, and the physical forces that shape human innovation.

01The Living Cell
Students explore the microscopic structures that form the basis of all living things and compare the functions of different cell types.
Students will investigate the historical development of cell theory and its fundamental principles.
Students will develop practical skills in using light microscopes to observe cells and tissues.
Students will compare and contrast the basic structures and characteristics of prokaryotic and eukaryotic cells.
Students will identify and describe the structure and function of key organelles within an animal cell.
Students will identify and describe the structure and function of key organelles, including those unique to plant cells.
Students will explore the structure of the cell membrane and its role in regulating substance movement.
Students will explore how substances move across the cell membrane via diffusion and osmosis.
Students will investigate how cells use energy to move substances against their concentration gradient.
Students will investigate the process by which cells release energy from glucose.
Students will explore the process by which plants convert light energy into chemical energy.
Students will examine how cells develop specialized structures and functions.

02Body Systems and Survival
An analysis of the respiratory, circulatory, digestive, and excretory systems and how they support the life of multicellular organisms.
Students will understand how body systems work together to maintain a stable internal environment.
Students will trace the path of food through the upper digestive system and identify the role of each organ.
Students will investigate how digested nutrients are absorbed into the bloodstream and waste is processed.
Students will explore the importance of different macronutrients and micronutrients for cellular function and overall health.
Students will explore the structure and function of the respiratory system and the process of gas exchange.
Students will investigate the components of blood, the structure of the heart, and the path of blood circulation.
Students will differentiate between arteries, veins, and capillaries and their roles in transporting blood.
Students will examine the structure and function of the kidneys and their role in filtering waste from the blood.
Students will explore the basic structure and function of the brain, spinal cord, and nerves.
Students will investigate the role of hormones and glands in regulating body processes.
Students will examine how bones, muscles, and joints work together for movement and support.

03The Particle Model
Students investigate the states of matter and how the arrangement of particles explains the physical properties of substances.
Students will learn the fundamental assumptions of the particle model and its application to solids, liquids, and gases.
Students will compare the observable properties of the three states of matter using the particle model.
Students will investigate melting and freezing using the particle model and energy changes.
Students will investigate boiling and condensation using the particle model and energy changes.
Students will explore the direct phase changes between solid and gas, sublimation and deposition.
Students will explore how heating and cooling affect the volume of substances.
Students will investigate the concept of density and how it relates to whether objects float or sink.
Students will explore the movement of particles from areas of high concentration to low concentration, linking to biological systems.
Students will identify and describe changes that alter the appearance of a substance but not its chemical composition.
Students will identify and describe changes that result in the formation of new substances.
Students will investigate the principle that mass is conserved during physical and chemical changes.

04Elements and Compounds
An exploration of the periodic table and how atoms combine to form the vast variety of substances in the universe.
Students will understand that all matter is made of atoms, which are the fundamental building blocks of elements.
Students will explore the organization of the periodic table and the properties of different element groups.
Students will classify elements based on their physical and chemical properties.
Students will reinforce their understanding of the distinctions between elements, compounds, and mixtures, focusing on their observable properties.
Students will understand that atoms combine to form compounds through chemical bonds.
Students will learn to represent simple chemical reactions using word equations and identify reactants and products.
Students will identify and describe observable evidence that a chemical reaction has occurred, such as gas production, colour change, or heat change.
Students will investigate the properties of acids and bases and learn about the pH scale.
Students will explore the reaction between acids and bases to form salt and water.

05Dynamic Earth
Investigating the geological processes that shape the Earth's surface, focusing on the rock cycle and tectonic activity.
Students will identify and describe the composition and characteristics of Earth's crust, mantle, and core.
Students will differentiate between minerals and rocks and classify common mineral types based on properties.
Students will investigate the formation of igneous rocks from molten magma or lava.
Students will explore the formation of sedimentary rocks through weathering, erosion, deposition, and compaction.
Students will investigate how heat and pressure transform existing rocks into metamorphic rocks.
Students will understand the continuous process by which rocks are formed, broken down, and reformed.
Students will learn about the theory of plate tectonics and the evidence supporting it.
Students will identify and describe the characteristics of divergent, convergent, and transform plate boundaries.
Students will investigate the causes and effects of earthquakes and volcanic eruptions.

06Energy and Motion
Students investigate different forms of energy and how they are transferred and transformed in everyday systems.
Students will identify and describe various forms of energy, including kinetic and potential.
Students will identify and describe thermal, light, and sound energy and their characteristics.
Students will investigate how energy moves from one object to another and changes from one form to another.
Students will explore the mechanisms of heat transfer: conduction, convection, and radiation.
Students will identify different types of forces and their effects on objects.
Students will investigate the force of gravity and its relationship to mass and weight.
Students will explore resistive forces and their impact on motion.
Students will explore how energy is used and conserved in various systems, focusing on efficiency and reducing energy waste.
Students will investigate how levers and pulleys multiply force to make work easier.