Lesson Plan
__ Using the Figure, Jellyfish, TE Students explain why jellyfish live in water, and discuss additional reasons that living organisms need water to survive.
__ Assessing Prior Knowledge, TE
Assess students’ mastery of concepts from prior chapters that will be applied in this chapter. (G
ENERAL
)
PACING
Regular Schedule:
Block Schedule: with lab(s): N/A with lab(s): N/A
OBJECTIVES
1.
Define the term matter .
2.
Explain the relationship between elements and atoms.
3.
Draw and label a model of the structure of an atom.
4.
Explain how compounds affect an atom’s stability.
5.
Contrast covalent and ionic bonds. without lab(s): 1 day without lab(s): 1/2 day
NATIONAL SCIENCE EDUCATION STANDARDS
LSInter1 : The atoms and molecules on Earth cycle among the living and nonliving components of the biosphere.
LSMat3 : The chemical bonds of food molecules contain energy.
PS1: Structure of atoms
PS2: Structure and properties of matter
PS3: Chemical reactions
FOCUS (5 minutes)
__ Overview, TE Review the objectives listed in the Student Edition. (G ENERAL )
__ Bellringer, TE Students are asked to study a periodic table and to locate the elements important to living things. (G ENERAL )
MOTIVATE (5 minutes)
__ Discussion, Chemical Processes, TE Students discuss biological processes that involve chemistry. (B ASIC )
KEY SE = Student Edition TE = Teacher Edition ANC = Ancillary Workbook HBS = Holt Biosources Lab Program
Copyright © by Holt, Rinehart and Winston. All rights reserved.
Modern Biology 1 Chapter 2

Lesson Plan
__ Reading Skill Builder, Interactive Reading, TE Assign this chapter of the Modern
Biology Guided Reading Audio CD Program to help students achieve greater success in reading the chapter.
(B ASIC )
TEACH (25 minutes)
__
PowerPoint® Resources
Use the customizable presentation to help students master the concepts in this section.
__ Teaching Tip, Probability and Electrons, TE Discuss the movement of electrons and the probability of groups of electrons being in particular energy levels. (G ENERAL )
__ Reading Skill Builder, Active Reading, TE Students discuss the importance of paying careful attention to any figures that accompany written text.
(B
ASIC
)
__ Internet Activity, Atomic Structure, TE Students use the internet to research atomic structure and the properties of atoms.
(A DVANCED )
__ Teaching Transparency A11, Electron Cloud Model of an Atom Use this transparency to discuss the electron cloud model of an atom.
(G
ENERAL
)
__ Teaching Transparency A12, Isotopes Use this transparency to review the concept of isotopes.
(G ENERAL )
__ Teaching Transparency A13, Covalent Bonding Use this transparency to review covalent bonding.
(G ENERAL )
__ Teaching Tip, How Many Bonds?, TE Have students predict the number of covalent bonds that carbon can form and explain how they arrived at their answer.
(G
ENERAL
)
__ Using the Figure, Formation of Covalent Bonds, TE Use the illustration of covalent bonding to emphasize that bonds involve the outermost electrons.
(B ASIC )
__ Skill Builder, Writing Skills, TE Have students research quarks and write reports summarizing what they have learned.
(A DVANCED )
__ Teaching Tip, Radioactive Isotopes, TE Students learn what a radioisotope is and how it is used in medicine.
(G
ENERAL
)
__ Teaching Transparency A14, Ionic Bonding Use this transparency to review ionic bonding.
(G ENERAL )
CLOSE (10 minutes)
__ Section Review, SE Students are assessed through questions about key concepts and questions that require critical thinking skills. (G
ENERAL
)
__ Reteaching, Understanding Compounds, TE Have students determine the kinds and numbers of atoms in the chemical formulas listed. (B ASIC )
__ Quiz, TE Students answer short answer questions about this section. (G ENERAL )
OTHER RESOURCE OPTIONS
__ Visual Concepts CD-ROM Use this multimedia resource to reinforce selected concepts from the chapter.
KEY SE = Student Edition TE = Teacher Edition ANC = Ancillary Workbook HBS = Holt Biosources Lab Program
Copyright © by Holt, Rinehart and Winston. All rights reserved.
Modern Biology 2 Chapter 2

Lesson Plan
__ Active Reading Worksheets, ANC Students are asked to analyze a passage related to the chapter text and answer questions about the passage. (B ASIC )
KEY SE = Student Edition TE = Teacher Edition ANC = Ancillary Workbook HBS = Holt Biosources Lab Program
Copyright © by Holt, Rinehart and Winston. All rights reserved.
Modern Biology 3 Chapter 2