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Carolina EcoKits®: Carrying Capacity and Algal Blooms

Item # 187014 New Online Only Exclusive
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Grades 9–12. Students investigate an algal bloom scenario and, in the process, explore factors that affect the carrying capacity of ecosystems. In the first investigation, students explore how spectroscopy can be used to evaluate concentration with sample solutions. In the second investigation, students conduct an experiment to study population growth in algae. Kit accommodates 10 groups of students.

Price

$49.95

This item will ship on or about 10/30/18

Analyze patterns in sample populations to determine conditions that influence algal growth rate, and then relate these factors to the ecological phenomenon of algal blooms, carrying capacity, and eutrophication.

PE: HS-LS2-1
Related PE: HS-LS2-7
Time Requirement: 3 45-minute Class Periods

SEP: Using Mathematics and Computational Thinking
CCC: Systems and System Models; Scale, Proportion, and Quantity
DCI: LS2.A: Interdependent Relationships in Ecosystems

Grades 9–12. Students investigate an algal bloom scenario and, in the process, explore factors that affect the carrying capacity of ecosystems. In the kit's first investigation, students explore how spectroscopy can be used to evaluate concentration with sample solutions. Students are tasked with using a Carolina® Spectroscopy Chamber (item #653355), a smartphone, and a color analyzer app to place the culture tubes in order from lowest to highest concentration. In doing this, students discover the patterns that exist between the data presented by the color analyzer app and the concentration of green food dye in the solution.

In the second investigation, students carefully conduct an experiment to study population growth in algae. They grow algae in culture tubes containing solutions with different concentrations of nutrients. Using the skills and information learned in the first investigation, students are able to monitor the change in algal concentrations in the different solutions. Students graph and analyze their data to estimate the carrying capacity for algae in their tubes. This information will be extrapolated to make sense of the present algal bloom phenomenon.

Students can conduct investigation 1 in 50 minutes. They can set up investigation 2 during a single 50-minute class period but then must take measurements (each requiring approximately 5 to 10 minutes) 3 times a week for 3 weeks. Kit accommodates 10 groups of students and includes FREE 1-year access to digital resources that support 3-dimensional instruction for NGSS. Note: Five Carolina® Spectroscopy Chambers (item #653355) are needed but not supplied. Kit includes a prepaid coupon to request the perishable materials later at your convenience. Contact us or return the coupon at least 2 weeks prior to requested delivery date to ensure prompt arrival of materials.

  • This item is only available from Carolina Biological Supply Company.
  • This item is only available at Carolina.com.

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This item includes a prepaid coupon for living or perishable materials (all • items). Redeem the coupon for delivery of these materials at your convenience at www.carolina.com/livingform, by phone at 800.334.5551, or by fax at 800.222.7112.

Components Qty Included?
Chlorella Cultures 3 Included
Alga-Gro® Concentrate 2 Included
Culture Tubes 65 Included
Food Coloring, Green, 30 mL 1 Included
Construction Paper, Red, 9 x 12" 50 Included
Kimwipes® Cleaning Tissue, Box 1 Included
Pipettes 100 Included
Rubber Bands 50 Included
Carolina Science Online® Resources (1-year subscription) 1 Included
Teacher's Manual with Reproducible Student Guide 1 Included
Carolina® Spectroscopy Chambers 5 Needed, Not Included
Smartphones Needed, Not Included
 
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