Holt Modern Chemistry: Energy Content of Foods

Author

©Holt McDougal

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Science: Chemistry: Energy and Matter

Level

9-12

Activity Time

45 Minutes

Software

TI Connect™

TI Calculator

TI-83 Plus Family

TI-84 series

Applications

DataMate

Accessories

CBL 2™
Sensor - Temperature

Other Materials

www.holtmcdougal.com

Can, small
Food samples
Matches
Water, cold
Wooden splint
Food holder (see Figure 1)
Graduated cylinder, 100 mL
Stirring rods (2)
Ring stand and 4-inch ring
Utility clamp and slit stopper

Resource Types

Lessons

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Holt Modern Chemistry: Energy Content of Foods

Activity Overview

This probeware Lab Energy Content of Foods from the chapter Causes of Change uses a temperature probe to calculate the temperature change of the water to determine how much energy was released when food samples burn.

Before the Activity

Read the entire lab (Teacher Resources PDF file), plan what steps you will take and setup the equipment as described.
Make copies of the Lab PDF file for your class.
Make sure DataMate is on all student calculators.

During the Activity

Students will:

Measure temperature changes

Calculate energy changes using specific heat

Infer the energy content of food

Relate energy content to types of food

Evaluate whether the nutrition labels are accurate

Directions:

Distribute the student activity sheets

Follow the procedures as outlined

After the Activity

After the experiment students will:

Analyze the results: compile the data from their experiments and make calculations to determine the caloric content of the foods tested.

Draw Conclusions: interpret the data and apply it to the objectives of the experiment.

As a class, review student answers, discussing problems that appeared to be more challenging, and re-teaching as needed.

Download Files

Download All Files (ZIP)

Before the Activity Files

Teacher Notes PDF Student Activity PDF

Author

©Holt McDougal

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Science: Chemistry: Energy and Matter

Level

9-12

Activity Time

45 Minutes

Software

TI Connect™

TI Calculator

TI-83 Plus Family

TI-84 series

Applications

DataMate

Accessories

CBL 2™
Sensor - Temperature

Other Materials

www.holtmcdougal.com

Can, small
Food samples
Matches
Water, cold
Wooden splint
Food holder (see Figure 1)
Graduated cylinder, 100 mL
Stirring rods (2)
Ring stand and 4-inch ring
Utility clamp and slit stopper

Resource Types

Lessons

Report an Issue

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Vernier EasyData,Vernier EasyLink and Vernier EasyTemp are registered trademarks of Vernier Science Education.

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Holt Modern Chemistry: Energy Content of Foods

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Holt Modern Chemistry: Energy Content of Foods

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