Lesson Plan : Atomic Structures

Teacher Name:
 Mr. Strey
Grade:
 Grade 7-8
Subject:
 Science

Topic:
 Investigating the structure of atoms using models
Content:
 Explaining the makeup of an atom and being able to describe in paragraph form what makes up an atom, how and why it can change. Terms students will learn: nucleus, atom, neutrons, ions, isotope, electrons, protons, atomic mass, atomic number, valence electrons, periodic table of elements. TEKS 8.8, 8.8A, 8.8B
Goals:
 Students will be able to draw atoms of different elements identifying the makeup of the atoms. Students will be able to calculate the number of neutrons based off the number of protons and the atomic weight. Students will understand the valence shells of the atoms and be able to represent the electrons present in them. Students will be able to start familiarizing themselves with the periodic table of elements and make inferences to the design of the table.
Objectives:
 Students will have a clear understanding the make up of an atom and how to determine the number of protons, neutrons, and electrons. Students will make clear representations of the atoms and display them to show their understanding of the material. Students will be able to draw isotopes of the original element.
Materials:
 Skittles, Construction paper, map colors, periodic table of elements
Introduction:
 Some students will volunteer to be part of a demonstration. The demonstration will be conducted by the teacher and showcase the lesson of an atom. Students will take the place of the different parts of the atom and be led by the teacher.
Development:
 A visual lesson explained over internet video will be shown that will again explain what has been seen, additional information will be given to give the students more insight into what they will encounter further down the line.
Practice:
 The lesson will be explained and how to determine the make up of the atom will be described in full through lecture, also ion, charge, and isotope will be fully explained with questions being answered.
Accommodations:
 Some students will need independent study that requires more in depth information. These students will be alone and allowed to move at a quicker pace with an increased difficulty in the lesson. Some students will need to be paired with students that have a better grasp on the information to help them along.
Checking For Understanding:
 Students will present the information to the teacher at varying speeds and be graded on a rubric that shows visual representation of the make up of the atom, the ion, and isotope. The rubric will also go about how the students are able to describe what is going on verbally to check for full understanding. Students will answer questions regarding how they found certain numbers individually as they are in groups of two. Finally students will write a statement explaining what they have seen over the lesson describe everything that was done. All these elements will go into the grade.
Closure:
 Students will be rewarded for doing a good job by allowing them to eat the skittles from the visual representation if they indeed did a great job. Explain the importance of all these things by previewing the next lesson.
Evaluation:
 Based on how the students are able to describe things and represent them. Many different learning styles were presented that hit a wide variety of areas all supporting cooperation and hands on activity with a reward at the end. Students will be graded on a rubric and given any help along the way.
Teacher Reflections:
 See ways to improve the lesson by using different learning devices that may support groups only having a limited number of supplies in which they must work with other groups to get the needed supplies.

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