Grade 9 Science at Ancaster HS

What is in Grade 9 Science? Both the applied and academic programs cover the same overall units of study There are five areas of study or skill development

Units We Look At 1. Scientific Skill Development 2. Sustainable Ecosystems 3. Atoms, Elements and Compounds 4. The Study of the Universe 5. The Characteristics of Electricity

How is Applied Different From Academic? The method of teaching the material and the application of the topics is different Our Applied courses focus on hands on application of theory You get to try labs many times to help you understand a theory Academic courses focus more on the theory’s impact in society or the environment

What are the States of Matter? 3 Forms: Solid, Liquid, Gas

What are Changes in Matter? 6 Changes: - Evaporation - Liquid --> Gas - Condensation - Gas --> Liquid - Melting (Liquification) - Solid --> Liquid - Freezing (Solidification) - Liquid --> Solid - Sublimation – Solid --> Gas - Deposition - Gas --> Solid

But, What is Matter? Made up of atoms and molecules Has mass

What makes a state of matter? The physical state in which the molecules and atoms of a substance are found Recap: 3 States of Matter Solid Liquid Gas

States of Matter: Animation

Changing States of Matter Molecules and atoms can move from one physical state to another and not change Water, H 2 O, has the same properties as a liquid as it does as a solid (ice) or a gas (steam – water vapour) Although its physical state may change, its chemical state remains the same

Changes of State: Animation