Title
Bruchid Investigations: Bruchid Food Preference Investigation

Grade Level
7-12

Protocol
Beetles/Seeds

Abstract
This activity involves the utilization of the bruchid pods to conduct further investigations of the Blue Palo Verde (Parkinsonia florida) seed pods. Possible investigations are:

A. Bruchid food preference investigation
1. Desert vs. Urban
2. Parkinsonia florida vs. P. mycrophylla vs. P. praecox

Author
Rob Trenck (Red Mountain High School)

AZ Standards
Science Essentials

• 1SC-E1 Identify a question, formulate a hypothesis, control and manipulate variables, devise experiments, predict outcomes, compare and analyze results, and defend conclusions
• 1SC-E3 Organize and present data gathered from their own experiences, using appropriate mathematical concepts, analyses and graphical representations
• 1SC-E4 Identify and refine questions from previous investigations

Science Proficiency

• 1SC-P1 Propose solutions to practical and theoretical problems by synthesizing and evaluating information gained from scientific investigations
• 1SC-P4 Create and defend a written plan of action for scientific investigation
• 1SC-P6 Identify and refine a researchable question, conduct the experiment, collect and analyze data, share and discuss findings

Science Distinction

• 1SC-D1 Design and complete an advanced scientific investigation, either individually or as part of a group, and formally report results to peers, teachers and others

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