1. Mixtures Quiz Page 145 Monday, April 27, 2015 Tuesday, April 28, 2015 Page 146 Pure Substances and Mixtures Warm Up: Homework: Handout – Read the poem and mark/highlight/underline important information Complete the questions on the back Lab Review – hand in completed lab for a grade Independent Variable Dependent Variable Constants Hypothesis ===================================== Blendspace Blendspace activity (3 – 10) except #6 https://www.blendspace.com/lessons/u92Mny LbvSJ7KQ/mixtures-solutions-and-pure- substanceshttps://www.blendspace.com/lessons/u92Mny LbvSJ7KQ/mixtures-solutions-and-pure- substances ========================================== More Practice Go to my wiki Open the Classifiying Substances Document Save a copy to your Google Docs Classify the materials ========================================= Mixtures Quiz Code (20 questions) __________________ Monday, April 27, 2015 Tuesday, April 28, 2015

2. INDEPENDENT PRACTICE SKILL - CLASSIFYING SUBSTANCEPURE SUBSTANCE ELEMENT OR COMPOUND MIXTUREHOMOGENOUS OR HETEROGENEOUS 1.IRON 2.CARBON DIOXIDE 3.CHOCOLATE CHIP ICE CREAM 4.ATMOSPHERE (AIR) 5. SUGAR WATER 6.SALT WATER 7.CHEX MIX 8. OXYGEN

3. Which Sample Questions Can You Answer? If a substance is composed of atoms arranged in one particular way, how is this substance best classified? a. element b. compound c. mixture d.Gas The data table below represents observations made by a scientist during an investigation. Use this table to answer the questions that follow. A scientist preformed an investigation with samples listed in the data table above. She heated the 2 liquid samples until boiling. After a while, all of the liquid evaporated from Sample 1 and the container was empty. Later, all of the liquid evaporated from Sample 2 and a colorless powder remained. 2. Based on the information presented in the data table, which term best describes Sample 1? a. atom b. element c. mixture d. compound 3. Which term best describes Sample 2? a. atom b. element c. mixture d. compound