Name: ……………………………………….. Class: ………………

Unit 8 Mixtures

G7 Student Workbook

Learning Objectives:

Know what a mixture is. Know that liquids and dissolved chemicals can go through filter paper.

Know why most water has chemicals dissolved in it. Know how to separate a dissolved solid from a liquid. Know how to get salt from sea water. Know how to separate a liquid from anything dissolved in it. Know what distillation is. Know some uses of distillation. Know what chromatography is. Know how to make a chromatogram. Know what the results of a chromatogram mean. Know some uses of chromatography Know what a saturated solution is. Know how to tell if a solution is saturated. Know how the temperature affects the amount of solute in a saturated solution

Key Words

Homework set for this topic:

Task(s) Date Due Comments 1 Read 8.1 Compounds & Mixtures

(Coursebook pp92-93)& 8.2 More about mixtures (pp94-95); Complete Ex 8.1 Mixtures (Science 8 Workbook p66) & Ex 8.2 More About Mixtures (Science 8 Workbook pp67-69)

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2 Read 8.3 Separating Mixtures (Coursebook pp96-97) & 8.4 Chromatography (pp98-99); Complete Ex 8.4 Chromatography (Science 8 Workbook p70)

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3 Read 8.5Solutions (Coursebook pp100-101) & 8.6 Solubility (pp102-103); Complete Ex 8.5 Scientific terms related to solutions (Science 8 Workbook p71) & Ex 8.6 Solubility (Science 8 Workbook pp72-73)

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4 Operation Survival Report …./…./…. 5 Separating a Mixture Poster …./…./….

Lab #1 – Operation Survival (20 points)

Operation Survival (continued)

The next 2 pages are left for you to write about what you do and to record all results and graph your data.

My Report – Operation Survival

Filtering answers (question 3 & 4)

Thinking Skills -

Answers – 1. Stranded in Scotland:

2. Stranded in the Arctic:

3. Stranded on a desert island:

Lab #2 – Investigating Water

Investigating Water (continued)

Lab #3 – Making salt from rock salt

Worksheet - Separating Mixturesi

Lab #4 – How much salt will dissolve?

Dissolving and Separating Word Search

Lab #5 Simple Distillation

Simple Distillation Worksheet Watch this youtube video: https://www.youtube.com/watch?v=V5ep0-ojPGw

Chromatography Starter

Watch this youyube video:

https://www.youtube.com/watch?v=PvHvx7k7UPU

Lab #6 – What dyes are present in felt-tip pens?

Chromatography

Poster Project (30 points)

Student Notes