unit activities activity 1

Unit Activities Activity 1 How Cold is Freezing? – determining the freezing point depression for a solute Activity 2 It’s All About the Particles – determining the relationship between number of particles and freezing point depression Activity 3 Synergy? – determining the effect of mixing solutes on the freezing point depression Activity 4 Melt-Away – design project Each and every winter in cold climates, snow and ice on everything from highways to walkways poses danger to individuals. Products have been developed to mitigate the impact of icy conditions on various surfaces with different degrees of effectiveness. How do we balance environmental concerns and the corrosiveness of these products with the benefits of their application? The Problem Design a deicing product that includes a blend of chemical compounds and market it through a commercial. The Challenge Product Presentation 1. Create a product label describing the chemical composition of the deicer along with its performance expectations. 2. Present a 60 second video commercial of the deicing product. 3. Present the research that supports the claims of the product. Contact Information: Curt Blimline [email protected] 513.724.2211 Melt-Away A Chemical Engineering Design Unit Curt Blimline Science Department Williamsburg High School, Williamsburg, OH CEEMS is supported by the National Science Foundation grant # 1102990. Any opinions, findings, conclusions, and/or recommendations are those of the investigators and do not necessarily reflect the views of the Foundation. Guiding Questions 1. Will the product be for residential or commercial use? 2. Will the product be eco-friendly? 3. Is to be a high end or low end product (cost and quality)? 4. For what applications will the product be effective at melting ice? 5. What impact will the product have on the surfaces it is placed on? 6. Will the product be a solid or liquid application? Academic Standards 1.Identify questions and concepts that guide scientific investigations; 2.Design and conduct scientific investigations; 3.Use technology and mathematics to improve investigations and communications; 4.Formulate and revise explanations and models using logic and evidence (critical thinking); 5.Recognize and analyze explanations and models; and 6.Communicate and support a scientific argument. 7.Intermolecular chemical bonding a.Types and strengths b.Implications for properties of substances i.Melting and boiling point ii.Solubility 8.Stoichiometry a.Molar calculations b.Solutions Transporta tion Engineerin g Chemical Engineerin g

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Melt-Away A Chemical Engineering Design Unit Curt Blimline Science Department Williamsburg High School, Williamsburg, OH. The Problem. - PowerPoint PPT Presentation

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Unit Activities

Activity 1How Cold is Freezing? – determining the freezing point

depression for a soluteActivity 2

It’s All About the Particles – determining the relationship between number of particles and freezing point depressionActivity 3

Synergy? – determining the effect of mixing solutes on the freezing point depressionActivity 4

Melt-Away – design project

Each and every winter in cold climates, snow and ice on everything from highways to walkways poses danger to individuals. Products have been developed to mitigate the impact of icy conditions on various surfaces with different degrees of effectiveness. How do we balance environmental concerns and the corrosiveness of these products with the benefits of their application?

The Problem

Design a deicing product that includes a blend of chemical compounds and market it through a commercial.

The Challenge Product Presentation

1. Create a product label describing the chemical composition of the deicer along with its performance expectations.

2. Present a 60 second video commercial of the deicing product.

3. Present the research that supports the claims of the product.

Contact Information:Curt Blimline [email protected] 513.724.2211

Melt-AwayA Chemical Engineering Design Unit

Curt BlimlineScience Department Williamsburg High School, Williamsburg, OH

CEEMS is supported by the National Science Foundation grant # 1102990. Any opinions, findings, conclusions, and/or recommendations are those of the investigators and do not necessarily reflect the views of the Foundation.

Guiding Questions

1. Will the product be for residential or commercial use?

2. Will the product be eco-friendly?3. Is to be a high end or low end

product (cost and quality)?4. For what applications will the

product be effective at melting ice?

5. What impact will the product have on the surfaces it is placed on?

6. Will the product be a solid or liquid application?

Academic Standards1. Identify questions and concepts that guide scientific

investigations;2. Design and conduct scientific investigations;3. Use technology and mathematics to improve investigations

and communications;4. Formulate and revise explanations and models using logic and

evidence (critical thinking);5. Recognize and analyze explanations and models; and6. Communicate and support a scientific argument.7. Intermolecular chemical bonding

a. Types and strengthsb. Implications for properties of substances

i. Melting and boiling pointii.Solubility

8. Stoichiometrya. Molar calculationsb. Solutions

Transportation Engineering

Chemical Engineering

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