№ lp_1_2_09926
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Character count: 4480
File size: 196 KB
This document is an educational activity focused on graphing and interpreting cooling curves for different types of chocolate, designed to enhance understanding of mixtures and their behavior during cooling.
Year:
2021
Region / City:
N/A
Topic:
Chemistry education
Document type:
Educational resource
Institution:
Royal Society of Chemistry
Author:
N/A
Target audience:
Students
Period of validity:
N/A
Approval date:
N/A
Date of changes:
N/A
Price: 8 / 10 USD
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The product description is provided for reference. Actual content and formatting may differ slightly.
by:
Stacy Thibodeaux
Grade Level:
9-11
Subject:
States of matter, freezing/melting point of water, colligative properties of matter
Type of document:
Lesson Plan
Teacher:
Stacy Thibodeaux
Target Audience:
High School Students
Duration:
1 class period
Materials:
Ice, Salt, Water, Test Tubes, DataQuest 18
Note:
Learning Objectives
Assessment:
Students provide evidence explaining how adding salt to water lowers its freezing point.
Year:
Not specified
Region / city:
Not specified
Subject:
Changes of state, Particle model
Document type:
Educational material
Organization / institution:
Not specified
Author:
Not specified
Target audience:
Students
Period of validity:
Not specified
Approval date:
Not specified
Date of changes:
Not specified
Contextual description:
Educational source explaining the concepts of melting and boiling points, changes of state, and the particle model in chemistry.
Note:
Year
Subject:
Chemistry
Document Type:
Practical Experiment
Organization / Institution:
Nuffield Foundation, Royal Society of Chemistry
Target Audience:
Learners
Year:
Current edition
Region / City:
Apple Valley, MN, USA
Topic:
Hydronic snow and ice melting systems
Document Type:
Technical specification
Organization / Institution:
Uponor
Author:
Uponor
Target Audience:
Contractors, engineers, installers of hydronic systems
Period of Validity:
25 years from installation
Approval Date:
Not specified
Date of Changes:
Not specified
Context:
Technical specification for the design, installation, and quality assurance of hydronic snow and ice melting systems using PEX piping.
Subject:
Chemistry
Topic:
Organic compound extraction and purification
Document type:
Laboratory experiment procedure
Chemical compound:
Paracetamol
Experimental technique:
Extraction and recrystallisation
Educational level:
Secondary or introductory laboratory chemistry
Required chemicals:
Paracetamol tablets; propanone; water
Laboratory equipment:
Conical flasks; measuring cylinder; warm water bath; filter funnel; filter papers; beaker; pipette; cotton wool; glass funnel; Bunsen burner; tripod and gauze; melting point apparatus; balance
Safety requirements:
Eye protection; handling precautions for propanone vapour and flammable liquids
Process steps:
Dissolution in propanone; filtration; solvent evaporation; recrystallisation from water; crystallisation and drying
Analytical method:
Melting point determination
Key concept:
Effect of impurities on melting point and crystal structure
Year:
2025
Region / City:
Vietnam
Theme:
Circular Economy, Cocoa Production, Biochar
Document Type:
Terms of Reference
Organization / Institution:
HELVETAS
Author:
HELVETAS Vietnam
Target Audience:
Service providers, consultants, cocoa farming communities, local stakeholders
Period of Action:
April 2025 - June 2025
Approval Date:
30/03/2025
Date of Changes:
N/A
Year:
2026
Region / City:
Unknown
Theme:
Erotic fantasy, vore
Document Type:
Fiction story
Authors:
ilbv, Duke Rocheister, Echo, LuxeonJade
Target Audience:
Adult readers
Format:
Digital text
Language:
English
Part:
1
Year:
2020
Region / City:
Australia
Topic:
Food Processing, Chocolate Manufacturing
Document Type:
Unit of Competency
Organization:
Australian Skills Quality Authority (ASQA)
Author:
Australian Government Department of Education
Target Audience:
Individuals working in food manufacturing and quality assurance
Duration:
Ongoing
Date of Approval:
2020
Date of Modification:
2020
Prerequisite:
Nil
Foundation Skills:
Reading, Numeracy, Workplace Navigation, Interpersonal Skills
Production Requirements:
Quality Control, Food Safety Standards
Assessment Methods:
Practical Demonstration, Documentation Review
Compliance:
Australian Food Safety Standards
Year:
2023
Region / City:
Not specified
Topic:
Recipe
Document Type:
Cooking recipe
Author:
Caroline
Target Audience:
General public, beginners in cooking
Period of Validity:
Not specified
Approval Date:
Not specified
Date of Changes:
Not specified
Difficulty Level:
Easy, beginner
Subject:
Chemistry
Topic:
Chemical and physical changes
Type of document:
Laboratory experiment worksheet
Educational level:
School science education
Activity type:
Practical laboratory investigation
Equipment:
Bunsen burner, test tubes, beaker, tripod, gauze, heat resistant mat, test tube rack, test tube holder, safety glasses
Chemicals:
Chocolate, egg albumen (egg white)
Learning objectives:
Safely heat substances, record observations, distinguish chemical and physical changes
Safety requirements:
Eye protection, safe handling of hot apparatus, no tasting of laboratory materials
Experimental method:
Heating chocolate and egg white in a water bath using a Bunsen burner and observing changes during heating and cooling
Observation recording:
Table of observations before heating, immediately after heating, and after cooling
Assessment tasks:
Classification of chemical and physical changes, interpretation of observations, identification of reactants and products in a chemical equation
Related concepts:
Reversible and irreversible changes, change of state, colour change, heat release, formation of new substances
Year:
2018
Region / city:
Finland
Topic:
Survey response rates, incentives, data quality, web surveys
Document type:
Research article
Organization:
Statistics Finland
Authors:
Vesa Virtanen, Juhani Saari
Target audience:
Researchers, statisticians, survey administrators
Period of validity:
N/A
Approval date:
N/A
Revision date:
N/A
Description:
Research article on the impact of a digital chocolate voucher as an incentive for increasing response rates in surveys, with a focus on the Finnish ISSP 2018 survey.
Year:
2026
Region / City:
N/A
Subject:
Mathematics
Document Type:
Worksheet
Author:
N/A
Target Audience:
Students
Effective Period:
N/A
Approval Date:
N/A
Modification Date:
N/A
Note:
Contextual Description
Year:
2023
Region / city:
Nanjing, China; Donostia/San Sebastián, Spain
Subject:
Crystallography, Material Science
Document Type:
Research Supplementary Material
Institution:
Nanjing University, University of the Basque Country
Authors:
Shaobo Yu, Junjie Wang, Yu Han, Qiuhan Jia, Zhixin Liang, Ziyang Yang, Yujian Pan, Hao Gao, Jian Sun
Target Audience:
Researchers in material science and crystallography
Effective Period:
Not specified
Approval Date:
Not specified
Modification Date:
Not specified
Context:
This document provides supplementary material, including methods and results, for a study on refining and selecting random crystal structures using graph theory, aimed at researchers in crystallography and material science.
Document code:
TTF T046 (Ref. Body TC DATA)
Version:
0.8
Author:
Giuseppe Tropea
Date:
2024-09-03
Last updated:
2025-06-03
Approval status:
Approved by Ref. Body (doc ref: DATA(25)000089)
Reference Body:
Ref. Body TC DATA
Maximum budget:
80 000 EUR + 3 000 EUR Travel
Minimum ETSI Members Support:
Yes (minimum 4)
Time scale:
2025-07-01 to 2026-07-31
Related Work Items:
TS 104 194; TS 104 193; TS 104 192; TS 104 191; TS 104 190; TR 104 189; TS 104 188; TS 104 187; TR 104 186
TTF Roadmap reference:
2025 Part I – TTF Technical Proposal
Subject:
NGSI-LD API conformance, interoperability and Graph Query functionality (v1.8)
Copyright:
ETSI
Length:
16 pages
Year:
Not specified
Region / City:
Not specified
Subject:
Data Analysis
Document Type:
Instructional
Organization / Institution:
Not specified
Author:
Not specified
Target Audience:
Students
Period of validity:
Not specified
Approval Date:
Not specified
Date of changes:
Not specified
Year:
2021
Region / City:
N/A
Topic:
Physics, Motion Graphs
Document Type:
Educational Lab Activity
Author:
PASCO
Target Audience:
High school or college physics students
Period of Use:
N/A
Approval Date:
N/A
Modification Date:
N/A
Note:
Year
Topic:
Geometry
Document Type:
Educational Lesson
Target Audience:
Students
Year:
2023
Region / City:
USA: Edens, Norway: Bergen 1, Norway: Bergen 2
Theme:
Graph Theory, HRV Metrics
Document Type:
Supplementary Data
Author:
Not specified
Target Audience:
Researchers, Academics
Period of Validity:
Not specified
Date of Approval:
Not specified
Date of Changes:
Not specified
Subject:
Trigonometry
Topic:
Sine and Cosine Functions
Type of document:
Mathematics exercise sheet
Academic level:
Secondary education / Precalculus
Number of tasks:
18
Functions covered:
Sine and cosine functions
Parameters analyzed:
Amplitude, period, phase shift, vertical shift
Form of response required:
Analytical calculation and graph sketching
Year:
2023
Region / City:
Global
Topic:
Graph Data Structures
Document Type:
Educational Material
Author:
Unknown
Target Audience:
Students, Learners in Computer Science
Period of Validity:
Not Applicable
Approval Date:
Not Specified
Date of Changes:
Not Specified