8th Grade Science Guide

8.1: Chemistry 3 Dimensions & Progressions

Unit 2

● I can use valid resources to obtain information about properties of matter and evaluate how the properties of matter are to be used for particular functions in society and communicate my fndings.

● Students do a reading

● Reading, and lab sheet ● Bunsen burner, ring stand, pennies, mossy or powdered Zinc, Sodium Hydroxide, goggles, tongs

activity to learn about how alloys are made through electroplating. They then perform a lab to make a “gold” penny.

● I can describe and

evaluate how synthetic materials are made from natural resources and their function.

Activity: Mystery Liquids

Objective

Overview

Materials

● I can identify patterns in the data to determine if a chemical reaction took place. ● I can plan and conduct an investigation about changes in a substance’s

● Students observe water sample and list known chemical and physical properties of water. They then have clear liquids such as vinegar, alcohol, mineral oil, etc. They observe and test

● Selection of clear liquids (water, vinegar, alcohol, mineral oil) ● Bunsen burner, matches ● Balance for mass, graduated cylinder for volume (density test) ● Student sheet ● Lab came from a larger unit found here.

properties during a chemical reaction.

properties of the liquids. They measure the density, fammability, odors, etc. to determine if the mystery liquids are water.

Activity: Mystery Powder

Objective

Overview

Materials

● I can identify patterns in the data to determine if a chemical reaction took place.

● Students are given mystery powders to

● Lesson plan and data sheet ● Flour, sugar, salt,

identify using chemical and physical properties.

cornstarch, baking soda, gelatin, plaster of paris, white sand, vinegar, distilled water, iodine solution, black paper,