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Greenhouse Effect (Sec 4 SE and Sec 4 ST)
In this video lesson, students are introduced to the concept of the

Balancing Equations (Sec 4 SE and Sec 4 ST)
In this lesson, we review the basic principles of balancing equations. Foremost,

Lewis Dot Diagrams (Sec 4 SE and Sec 4 ST) Part 2
In this second lesson, students review the concepts of ionic and covalent

Lewis Dot Diagrams (Sec 4 SE and Sec 4 ST) Part 1
Offered here is a key video explaining Lewis Notation. Explicating how a

Periodic Classification (Sec 4 ST)
Here, periodic classification is re-introduced. In this video, students learn about the

Chemical Changes – Precipitation Reactions (Sec 4 SE and Sec 4 ST)
In this Desmos Activity, students review the concept of precipitation reactions and

Balancing Equations
In this lesson, we review the basic principles of balancing equations. Foremost,

Enumeration of Matter
This lesson begins by recounting the difficulty with counting the number of

Lewis Dot Diagrams (Lesson 2)
In this second lesson, students review the concepts of ionic and covalent

Lewis Dot Diagrams (Lesson 1)
Offered here is a key video explaining Lewis Notation. Explicating how a

Periodic Classification
Here, periodic classification is re-introduced. In this video, students learn about the