Student Learning Map

  • Topic:09- Energy Changes
  • Subject(s):Science
  • Days:15
  • Grade(s):10
Key Learning: Matter exists in various states with differing properties.
Unit Essential Question(s):
 
 

How does the kinetic molecular theory predict the properties of liquids and solids?

   
Concept: Phase Change Diagram

Apply the Kinetic Molecular Theory to the states of matter.

Illustrate changes of state (evaporation, condensation, boiling, and freezing) using time/temperature (phase change) graphs.

Relate heat of fusion and heat of vaporization to state changes.

Suggested Extended Thinking Strategies: Classifying/Categorizing

Concept: Calorimetry

Solve problems involving specific heat and heat transfer.

Describe the use of a calorimeter.

Demonstrate the change in heat/energy transfer involved in thermodynamic (open, closed and isolated) systems.

Suggested Extended Thinking Strategies: Comparing/Contrasting or Classifying/Categorizing

Concept:
Lesson Essential Question(s):

What is the relationship between temperature and energy on a phase change diagram?

(A)

How are changes in state related to energy changes?

(ET)

What are the differences and similarities between the states of matter?

(A)

How does the Kinetic Molecular Theory illustrate changes in the states of matter?

(A)

Lesson Essential Question(s):

How can calorimetry be used to calculate the energy changes in a reaction?

(A)

What are the essential components of the three types of thermodynamic systems?

(ET)

Lesson Essential Question(s):
Additional Info:

The asterisk (*) next to the vocabulary terms above indicates essential FCAT vocabulary. Holt Modern Chemistry textbook, ancillary materials and resource attachment(s)

Resources:

Vocabulary Report

  • calorimeter -

    a device used to measure the energy as heat absorbed or released in a chemical or physical change

  • phase diagram -

    a graph of the relationship between the physical state of a substance and the temperature and pressure of the substance

  • Joules -

    the unit used to express energy

  • *calorie -

    the amount of heat needed to raise one gram of water one degree Celsius

  • sublimation -

    the process in which a solid changes directly into a gas

  • *condensation -

    the change of state from gas to liquid

  • *evaporation -

    the change of substance from liquid to gas

  • *specific heat -

    the quantity of heat required to raise a unit mass of homogeneous material 1 K or 1 degree Celsius in a specified way given constant volume and pressure

  • *heat of fusion -

    the heat that must be added per unit mass for a phase change of a substance between solid and liquid states

  • *thermal energy -

    total potential and kinetic energy associated with the random motions of the molecules of a material

  • *heat of vaporization -

    the heat that must be added per unit mass for a phase change of a substance between liquid and gas states

  • crystal -

    a solid whose atoms, ions or molecules are arranged in a definite pattern