HW - 5/15/13

Tonight's homework is two-fold: 1. complete the experimental plan for the spice lab (see below) and 2. complete your introduction for the spice lab (also see below).

Question: How do various spices affect the growth of common bacteria?

Hypothesis:

IV:

DV:

Controlled variables:

Control group:

Experimental group:

Observation/data table:

Procedure:

Materials available (per table):

2 Petri dishes

Agar to fill them

Spices – onion powder, cumin, red pepper, black pepper, allspice, oregano, cloves, cinnamon, cilantro, tumeric

Transparency with grid

Q-tip (for collecting and spreading hand bacteria)

Your introduction should include at least all of the following:

-        -   Your investigative question

-        -   Your hypothesis with a rationale

-        -   Relevant background information

o   Whatever material is necessary to introduce the topic to an unfamiliar reader

o   Whatever information/research led you from your investigative question to your hypothesis

Hypothesis Checklist                                                                                                                                                     SCORE: _____

Criteria	4 (Mastery)	3 (Proficient)	2 (Approaching)	1 (Needs Revision)
Presents a clear and testable hypothesis that answers investigative question	Hypothesis concisely but clearly establishes a logical, measurable, and testable prediction that explains the relationship between variables and is supported with a logical rationale.	Hypothesis concisely but clearly establishes a logical, testable prediction that explains the relationship between variables and is supported with a logical rationale but may not be obviously measurable.	Hypothesis concisely but clearly establishes a logical, testable, and measurable prediction that explains the relationship between variables but it lacks an explanation OR hypothesis establishes an illogical or incorrect prediction.	Hypothesis neither establishes a clear, logical, testable, and measurable prediction that explains the relationship between variables nor contains adequate rationale.

Content Knowledge Checklist                                                                                                                                   SCORE: _____

Criteria	4 (Mastery)	3 (Proficient)	2 (Approaching)	1 (Needs Revision)
Demonstrates knowledge of class material	Very consistently demonstrates deep knowledge of related material by correctly using vocabulary and explaining examples clearly.	Consistently demonstrates knowledge of related material by correctly using vocabulary and explaining examples.	Demonstrates knowledge of related material by using vocabulary and explaining examples, but with some errors.	Does not demonstrate sufficient knowledge of class material through errors or lack of usage/ explanation.