Search Results for boiling-point
1-20 of 253 Search Results for
The American Biology Teacher. 2012; 745343 doi: https://doi.org/10.1525/abt.2012.74.5.12
Published: 01 May 2012
...Susan Offner The boiling point of water is 300°C higher than expected because of hydrogen bonds. © 2012 by National Association of Biology Teachers. All rights reserved. Request permission to photocopy or reproduce article content at the University of California Press’s Rights and Permissions Web...
The American Biology Teacher. 2018; 805379–384 doi: https://doi.org/10.1525/abt.2018.80.5.379
Published: 01 May 2018
... group presented their designs to the class. Their designs mainly differed on how to do replication and control on the RNA agar plate. All groups had proposed a control with only buffer and denaturants, while two groups mentioned a control with boiled RNase. We did not point out that RNase is heat...
Includes: Supplementary data
The American Biology Teacher. 2017; 799753–762 doi: https://doi.org/10.1525/abt.2017.79.9.753
Published: 01 November 2017
... bacteria to kill the insect. The nematodes and bacteria feed on the dead insect until the nutrients are depleted, at which point they re-associate and exit the insect cadaver in search of new prey. Figure 3. A cartoon depicting the life cycle of nematodes. Nematodes traverse soil in search of insect prey...
The American Biology Teacher. 2017; 794301–304 doi: https://doi.org/10.1525/abt.2017.79.4.301
Published: 01 April 2017
... study in the classroom, and should be used as a point of discussion and laboratory activity in all advanced high school biology courses, such as AP Biology or Anatomy & Physiology. Unfortunately, a number of hurdles make such an experiment incredibly challenging to complete. First, it comes with a...
The American Biology Teacher. 2015; 775348–355 doi: https://doi.org/10.1525/abt.2015.77.5.5
Published: 01 May 2015
... in the pretest and those recalled in the posttest. Every correct recall of plant images was equivalent to 1 point, and no recall = 0. Therefore, each student’s score for recalling plant images could range from 0 to 14. The same analysis was conducted for recall of animal images. Data were inspected...
The American Biology Teacher. 2015; 775369–375 doi: https://doi.org/10.1525/abt.2015.77.5.8
Published: 01 May 2015
... can interact with each other, causing side reactions and accumulation of byproducts as water travels to our faucets. Content delivery: Instructor points out common contaminants and explains the implications of their presence. Note that most contaminants are not present at dangerous levels, but...
The American Biology Teacher. 2014; 764279–280 doi: https://doi.org/10.1525/abt.2014.76.4.11b
Published: 01 April 2014
... always been with us, not simply since the birth of agriculture or urban living. As she states, “Life is an endless series of checks and balances with no guarantees to a happy ending.” Although this book may seem dry at points, it does discuss a fascinating topic that is comprehensible to a reader not...
The American Biology Teacher. 2013; 758595–596 doi: https://doi.org/10.1525/abt.2013.75.8.14
Published: 01 October 2013
... an improved climate. LifeStraw benefits by being able to reach its goals to do business and do good. Although there is no disclaimer as such, it seems apparent that the video is focused on and subtly promotes a particular busi- ness. However, the point is made that busi- nesses need to think about...
The American Biology Teacher. 2012; 749667–671 doi: https://doi.org/10.1525/abt.2012.74.9.14
Published: 01 November 2012
... BLAST.......................5:318-I Boiling point.......................5:343-Q Annealing temperature.......................4:256-H Antique microscope slide.......................5:311-A, 5 Applied ecology.......................7:445-A Bacteria.......................5:305-F...
The American Biology Teacher. 2012; 749628–634 doi: https://doi.org/10.1525/abt.2012.74.9.6
Published: 01 November 2012
... school, or junior high students, and teachers of any grade level should be able to set it up for their students. Students will be able to directly observe the chick’s development from 3 days post-fertilization to the point at which it would normally hatch. Observing embryonic development first hand...
The American Biology Teacher. 2012; 748575–580 doi: https://doi.org/10.1525/abt.2012.74.8.8
Published: 01 October 2012
..., pointing to genes critical for growth in a pistil. PloS Genetics , 5 (8), e1000621. Shimizu, K.K. & Okada, K. (2000). Attractive and repulsive interactions between female and male gametophytes in Arabidopsis pollen tube guidance. Development , 127 , 4511–4518. Ye, J., Zheng, Y., Yan, A...
The American Biology Teacher. 2012; 74126–33 doi: https://doi.org/10.1525/abt.2012.74.1.7
Published: 01 January 2012
..., events, systems, and processes. Models can be used to test hypotheses and better understand phenomena, but they have limitations EALR 4 ~ Physical Sciences (Atoms and Molecules) Substances have characteristic intrinsic properties such as density, solubility, boiling point, and melting point, all of...
The American Biology Teacher. 2011; 738469–473 doi: https://doi.org/10.1525/abt.2011.73.8.8
Published: 01 October 2011
... point Aluminum foil 3.7% formalin 5- and 10-mL sterile glass pipettes and pumps Hemocytometers and cover slips Test tubes Microscopes Hand counters (clicker type) Space for 10 to 20+ flasks per student group, in lighted conditions, and at normal room temperature Additional...
The American Biology Teacher. 2010; 729581–584 doi: https://doi.org/10.1525/abt.2010.72.9.12
Published: 01 November 2010
... technology more than of science, and that in general science has done a great deal to improve rather than destroy the culture's moral fiber. He illustrates his point by describing the values important to science: honesty, tolerance, and freedom. If scientists don't report their findings honestly, then...
The American Biology Teacher. 2009; 719525–530 doi: https://doi.org/10.2307/20565374
Published: 01 November 2009
..., after the cessation of cannibalism, kuru disappeared? Before moving on, point out that if we are to satisfy each of Koch's fundamental postulates (see Table 3) in experiments conducted with kuru and CJD, we would have proof not only that those diseases are infectious, but we would able to identify the...
The American Biology Teacher. 2009; 714209–216 doi: https://doi.org/10.2307/27669414
Published: 01 April 2009
..., Sadler, Simmons & Howes, 2005) also points to the value of a socio-scientific issues (SSI) approach to science teaching. The SSI approach encourages students to consider how science-based issues affect their own lives and to reflect on the moral principles that underpin science. This article gives...
The American Biology Teacher. 2009; 714235–244 doi: https://doi.org/10.2307/27669417
Published: 01 April 2009
... results. Medium is made by combining gelatin (-3.0 sucrose (10 plus about 10 grains of boric acid per 50 ml of tap water. The medium is heated and stirred in a beaker on a combination hot-stir plate. The medium is heated to near the boil ing point (95 ?C) and then carefully poured into small Petri dishes...
The American Biology Teacher. 2009; 712121–122 doi: https://doi.org/10.2307/27669386
Published: 01 February 2009
... damage. The reader will get a dramatic insight into the minds of these extremists. The animal rights' position is, as the authors point out, beset with misinfor mation, misconstrued information, and absolutely erroneous information about the treatment of animals in biom?dical research. Truth be known...
The American Biology Teacher. 2008; 708488–497 doi: https://doi.org/10.2307/30163331
Published: 01 October 2008
... Habits, and Short-Term Memory Swimcaps Change Swimmer Speed Salt: The Effect on Boiling and Freezing Point Depression in Water Idiopathic Thrombocytopenic Purpura and Diet Beach Water Pollution in New York The Effects of the Vestibular System, Vision, and Proprioception on Balance Colorized Video Changes...
The American Biology Teacher. 2008; 704230–234 doi: https://doi.org/10.2307/30163249
Published: 01 April 2008
... chemistry, including the structure of atoms, and the role of electrons in forming bonds. This project involves naming a "newly-discovered" element, describing its physical properties (melting and boiling points, state at room temperature, etc and describing its chemical properties (atomic number and mass...