8th Grade Science Guide

8.1: Chemistry 3 Dimensions & Progressions

Unit 2

● Students look at how the number of protons, neutrons and electrons change each elements structure and function.

● Gizmo

● I can use a model to describe atomic structure.

Activity: How has the model of the atom changed over time?

Objective

Overview

Materials

● I can develop a model to describe the scale and proportion of atoms and molecules and describe how they make up all matter.

● Students will learn about how the model of the atom has changed over time. They will use a website that has the history of each model of type that represents each model and must provide justifcation for why the candy type matches the model. the atom. At the end student select a candy

● History of the Atom Website

Activity: Review

Objective

Overview

Materials

● I can develop a model to describe the scale and proportion of atoms and molecules and describe how they make up all matter.

● Students will review

● Possible review games include: I have, who has; foldables; quizlet, quizzez, kahoot

vocabulary essential for the unit such as atom, element, proton, neutron, electron, model, scale, matter, compound, formula, periodic table, atomic mass, atomic number, nucleus, electron cloud, etc.

Formative Assessment: SEEd 8.1.1 Formative Assessment

Phenomena Assessment: Electrolysis