1 / 6

Hwk : QUIA 5/23

Bellringer : Sit with your group. Be ready to move immediately after announcements. (groups listed below). Richie Sara Isabel. Sheridan Taylor Andy. Sam Add Billy. Hwk : QUIA 5/23. Griffin Mariah Evee. Mike Emmalee Riley. Matt Jane Zay Ella. Today 5/23/12. Bellringer

paige
Télécharger la présentation

Hwk : QUIA 5/23

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Bellringer: Sit with your group. Be ready to move immediately after announcements. (groups listed below) Richie Sara Isabel Sheridan Taylor Andy Sam Add Billy Hwk: QUIA 5/23 Griffin Mariah Evee Mike Emmalee Riley Matt Jane Zay Ella

  2. Today 5/23/12 • Bellringer • To the pond! • Dissolved oxygen (DO) test • DO

  3. Dissolved Oxygen (DO) • Gaseous oxygen in an aqueous solution • Gets in H2O by: • Diffusion from air • Aeration (rapid movement) • Photosynthesis

  4. Levels • Above 5 mg/L • Aquatic stress • If levels of 1-2 mg/L for a few hours can kill off large fish populations • More than 100% saturated?

  5. DO http://www.mysound.uconn.edu/ http://www.nanoos.org/education/learning_tools/hypoxia/oxygen_under_waves.php

More Related