Agenda 09-24-2015

1. Introduction

2. Homework

3. Activity 5: Separating the

Substances in the Mixture

4. Science Terms (Week 3) Review

Activity 5: Separating the Mixture

ObjectiveStudents will be able to:

– Apply a procedure, designed previously, to separate substances present in a mixture.

Activity 5: Separating the MixturePurpose

Students will be able to:

– Transfer their knowledge when separating substances present in a mixture.

Homework

– Analysis Questions 1 & 3, Activity 5 , p.A20.

– Work on Science Fair assignment about problem, hypothesis and variables• Due Monday 28th

Activity 5: Separating the Mixture

• PRE-LAB: properties, physical properties, chemical properties.

• DATA • Paste “Chemical Data Safety Sheet” to

your journal

• Read the Introduction (A19)

Chemical Data Safety Sheet

Substance Material(name)

Physical Characteristics

Hazards(Chemical Properties) Safety

PrecautionsAppearance Density Corrosive/

ReactiveFlammable Toxic

Liquid A

Liquid B

Red Tube

Black Square

Short metal cylinder

Long metal cylinder

Properties of Substances

Physical Property

Chemical Property

Never changes. No matter the size of the sample.

Examples: color, texture, density, flexibility.

Result or change due to a chemical reaction.

Examples: color change, pH, bubbling.

Help identify

the substance

Properties of Substances• Properties to observe in the

substances separated

• Physical properties• Appearance• Density

• Chemical properties• Corrosiveness• Flammability (demonstration)• Toxicity

Chemical Data Safety Sheet

Substance Material(name)

Physical Characteristics Hazards(Chemical Properties) Safety

PrecautionsAppearance Density Corrosive/

ReactiveFlammable Toxic

Liquid A

Liquid B

Red Tube

Black Square

Short metal cylinder

Long metal cylinder

• Follow steps 1-6, p. A20

• Complete Data

What do you already know?

• Complete the form to show what you already know about the science words at the end of the week.

Homework

– Analysis Questions 1 & 3, Activity 5 , p.A20.

– Work on Science Fair assignment about problem, hypothesis and variables• Due Monday 28th