1. Solid, Liquid, and Gas Day 1

2. Curriculum Big Idea: Changes in matter are accompanied by changes in energy. Big Idea: Changes in matter are accompanied by changes in energy. Competency: Demonstrate how changes in matter are accompanied by changes in energy. Competency: Demonstrate how changes in matter are accompanied by changes in energy. PA Standard 3.2.C.A3: Describe the three normal states of matter in terms of energy, particle motion, and phase transitions.

3. Today’s Agenda Opener: Answer the “What Do You Think?” question in the Unit 1.4: Solid, Liquid, or Gas? packet. Discuss your answers with a partner. Opener: Answer the “What Do You Think?” question in the Unit 1.4: Solid, Liquid, or Gas? packet. Discuss your answers with a partner. Investigate: heat ice from solid, to liquid, to gas, and draw find the heating curve of water by plotting a temp. vs. time graph. Investigate: heat ice from solid, to liquid, to gas, and draw find the heating curve of water by plotting a temp. vs. time graph. Answer #1-8 in the packet, working in small groups. Answer #1-8 in the packet, working in small groups. Define today’s Chemistry Vocabulary Define today’s Chemistry Vocabulary Notes on the heating curve of water. Draw a sketch in your notes and label the following: solid, liquid, gas, melting, boiling, changes in potential energy, changes in kinetic energy Notes on the heating curve of water. Draw a sketch in your notes and label the following: solid, liquid, gas, melting, boiling, changes in potential energy, changes in kinetic energy Discuss particle spacing and motion of solids, liquids, and gases Discuss particle spacing and motion of solids, liquids, and gases Closure Question: Does the temperature of a substance change when it goes from a solid to a liquid? Closure Question: Does the temperature of a substance change when it goes from a solid to a liquid? Take Home Assignment: “Day One Assignment” in packet: make a flip book for solid  liquid, and answer the question.

4. Today’s Chemistry Vocabulary temperature: the measure of the average kinetic energy of all the particles of the material. temperature: the measure of the average kinetic energy of all the particles of the material. kinetic energy: a form of energy related to the motion of a particle. kinetic energy: a form of energy related to the motion of a particle. normal melting point: the characteristic temperature, at 1 atm, at which a material changes from a solid state to its liquid state. normal melting point: the characteristic temperature, at 1 atm, at which a material changes from a solid state to its liquid state. potential energy: stored energy of the material as a result of its position in an electric, magnetic, or gravitational field. potential energy: stored energy of the material as a result of its position in an electric, magnetic, or gravitational field. normal boiling point: the temperature at which the vapor pressure of the pure liquid equals 1 atm. normal boiling point: the temperature at which the vapor pressure of the pure liquid equals 1 atm.

5. Today’s Chemistry Vocabulary Vaporization: the change of state from a liquid to a gas Vaporization: the change of state from a liquid to a gas Sublimination: the change of state of a solid material to a gas without going through the liquid state Sublimination: the change of state of a solid material to a gas without going through the liquid state

6. solid liquid gas solid liquid gas