Chapter 2 Lesson 2-1 Particle Model Of Matter PDF

CHAPTER 2 PARTICLES OF MATTER PRAYER BEFORE CLASS Dear Lord and Father of all, thank you for today. Thank you for ways in which you provide for us all. For your protection and love we thank you. Help us to focus our hearts and minds now on what we are about to learn. Inspire us by Y...

CHAPTER 2 PARTICLES OF MATTER PRAYER BEFORE CLASS Dear Lord and Father of all, thank you for today. Thank you for ways in which you provide for us all. For your protection and love we thank you. Help us to focus our hearts and minds now on what we are about to learn. Inspire us by Your Holy Spirit as we listen and write. Guide us by your eternal light as we discover more about the world around us. We ask all this in the name of Jesus. Amen. PARTICLE MODEL OF MATTER LESSON 2-1 Page 37-40 LEARNING TARGETS 01 Describe scientific models used to describe solids, liquids, and gases. 02 Describe the particle model of matter. 03 Explain why scientist use models. PRIOR KNOWLEDGE CHECK! Answer Prior Knowledge Check on your book on page 37. What is matter? What are the physical states of matter? Give some examples. What physical changes does matter undergo? Give some examples.  MATTER is anything that occupies space and has mass. each tiny piece of matter is made up of tiny particles – MOLECULES. in turn molecules are built of even smaller particles – ATOMS. ATOM MOLECULES COMPOUND PARTICLE MODEL OF MATTER It suggest that matter is composed of very small particles that possess kinetic energy and are held together by attractive forces. STATES OF MATTER  STATES OF MATTER SOLID LIQUID GAS SOLID STATE OF MATTER ❑ Has definite shape and volume. ❑ Particles are close-packed (vibrate but not, flow) ❑ Solid and rigid. ❑ Cannot be compressed easily. LIQUID STATE OF MATTER ❑ Has definite volume but no definite shape. ❑ Particles are still close together, but not as tightly bonded. ❑ Takes up the shape of the container they poured into. GASEOUS STATE OF MATTER ❑ Has no definite shape and volume. ❑ Particles are constantly moving rapidly. ❑ Takes up the shape of the container ❑ Can be compressed easily. STATES OF MATTER AND THEN, THE FOURTH STATE OF MATTER PLASMA PLASMA STATES OF MATTER ❑ Gas-like mixture of positively and negatively charged particles. ❑ Particles have more energy than those of gas. ❑ Gives off energy in the form of energy and WHY SCIENTIST USE MODEL TO EXPLAIN SOMETHING THAT CANNOT BE EASILY SEEN?  ANSWER ❑ Scientist used models to explain things such as atoms and molecules that cannot be seen without the use of especial equipment.  HOW CAN THE PARTICLE MODEL OF MATTER USED TO DIFFERENTIATE SOLIDS, LIQUIDS, AND GASES FROM ONE ANOTHER?  ANSWER: ❑ Helps us to know how particles of matter behave and describes matter in all three states. ❑ Helps us to understand what happens to the particles when matter changes from one state to another.  LEARNING PROGRESS CHECKPOINT About matter and its properties T F Matter can exist in three states: solid, liquid, and gas The shape of a gas is fixed and does not a fixed volume Air is denser than a table All matter is made up of atoms, which are the smallest particles of an element  LEARNING PROGRESS CHECKPOINT About matter and its properties T F Rusting of metal is an example of physical change Changing a solid into gas is called melting A chemical change occurs when a substance undergoes a change in its chemical composition Boiling is the process by which a liquid changes into a gas Matter is anything that has mass and takes up space