8th Grade Science Guide

8.1: Chemistry 3 Dimensions & Progressions

Unit 2

with chemical reactions. See how many products you can make with different amounts of reactants. Play a game to test your understanding of reactants, products and leftovers. Can you get a perfect score on each level?

Activity: History of the Law of Conservation of Mass

Objective

Overview

Materials

● I can develop a model describing atoms and molecules ability to

● Students will watch this video that shows the history related to conservation of mass.

● Video

combine and recombine. (conservation of matter)

Include a discussion of the impact on science from a qualitative to quantitative focus.

Formative Assessment: 8.1.6 SEEd formative assessment

8.1.6 Phenomena Assessment

Objective

Overview

Materials

● I can provide evidence and describe how chemical reactions regroup atoms into different molecules with new chemical and physical properties. ● I can develop a model describing atoms and molecules ability to

● Have students describe their observations. They will then use a word bank to summarize what is happening at the molecular level and explain why the mass did not change. They must explain the balanced

● Teacher Instructions ● CER

chemical reaction using a diagram with the particles labeled.

combine and recombine. (conservation of matter)

8.1.4 Phenomena: Nylon

Objective

Overview

Materials