Lab 11 Boyles Law

Topics: Observational error, Measurement, Significance arithmetic Pages: 9 (1671 words) Published: April 23, 2015

Senior School
STUDENT NAME: _______________________________________ GRADE 11 TEACHER: ______________________________ Date submitted: ____________

IB Chemistry

TOPIC 1: Stoichiometric Relationships

SUB TOPIC: Gas Laws

ASSESSMENT TASK
Laboratory Report

INVESTIGATION: Investigating the Relationship Between Pressure and Volume Using Data Loggers

YEAR 11
IB Chemistry

ASSESSMENT CRITERIA
The result for this Assessment Task will contribute to your A – E grade for the semester result in Chemistry. Completion and feedback also provides preparation for Internal Assessment (IA) Refer to assessment rubric and checklist provided.

This practical will be assessed on Design

Term 1

INSTRUCTIONS:
1. Write all results in your Lab Book
2. Complete practical following Teacher Instructions provided (attached). 3. Complete Laboratory Report using assessment rubrics and checklist as a guide. 4. Attach these cover sheets to the front of your Laboratory Report. 5. Reference any materials used in the Laboratory Report.

Semester One

2014-2015
Academic Year

Due Date:
Thursday 6/11/2014

RESULTS

Results are subject to moderation

Summary of Results
OVERALL RESULT

Personal Engagement
Exploration
Analysis
Evaluation
Communication

Assessment Rubrics:
Personal Engagement

Exploration

Analysis

Evaluation

Communication

Total

2
6
6
6
4
24

IA PRACTICAL/LABORATORY REPORT CHECKLIST
IMPORTANT:
1. Keep each part of your report simple and to the point. Concise scientific information is what is required. Quantity does not equal quality. 2. Use sub-headings to allow the marker to find the aspects listed below. Exploration

Defining the Problem and Selecting Variables
Teacher
Student
Formulates a focused problem/research question

Creates background Information
Appropriate and relevant and enhances the understanding of the context of the investigation. Include referenced information

Hypothesis if….then… statement (with mathematical relationship). Included an explanation

Identifies relevant dependent (measured), independent (manipulated) and controlled (constant) variables. Preferably in tabulated form
Independent and dependent must be quantitative

Controlling Variables
Designs a method for the effective control of variables.
Method should include apparatus and materials, labeled diagram, safety precautions, ethical and environmental issues and detailed instructions on how the experiment is set up and carried out. Include all relevant procedures that allow another person to repeat your experiment exactly (Validity) Use numbered steps or bullet point.

Should include explicit reference to how the control of variables is achieved. In method, identify the steps where are controlling a variable mentioned in Aspect 1

Developing a Method* for Collection of Data
Repeating measurements for the collection of sufficient relevant data At least 3 repeats (state this in method)

Adequate amount of data
At least 5 different independent values (state these in method)

Adequate range of data collection
Your independent variables need to spread out

State any calculations that are needed to be performed (e.g. formulas)

Analysis
IMPORTANT: There are many fine points to include here – but they are VERY important to get full marks! Don’t forget your error propagation
Recording Raw Data
Teacher
Students
Records quantitative raw data
Table (only data that you have collected).
Table arranged vertically (independent in first column)
Included column headings,
Units ( cm s-1 NOT cm/s) (in column headings)
No “( )” used (e.g. do not use (cm s-1) or (±0.004))....
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