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Calver, Michael; Fletcher, Douglas – American Biology Teacher, 2020
Data collected in many biology laboratory classes are on ratio or interval scales where the size interval between adjacent units on the scale is constant, which is a critical requirement for analysis with parametric statistics such as t-tests or analysis of variance. In other cases, such as ratings of disease or behavior, data are collected on…
Descriptors: Statistical Analysis, Data Collection, Biology, Science Laboratories
Swanson, Lauren; Vernon, Heather; Bauer, Christina – Science Teacher, 2018
Understanding how scientific conclusions are drawn from data is central to learning about the nature of science. Many students struggle with aspects of reasoning from data, including identifying relationships among variables, interpreting graphs, coordinating theory and evidence, and not allowing personal beliefs to outweigh the data when forming…
Descriptors: Data Interpretation, Scientific Principles, Science Instruction, Science Activities
Guerra, Nelson Pérez – Journal of Chemical Education, 2017
A laboratory experiment in which students study the kinetics of the Viscozyme-L-catalyzed hydrolysis of cellulose and starch comparatively was designed for an upper-division biochemistry laboratory. The main objective of this experiment was to provide an opportunity to perform enhanced enzyme kinetics data analysis using appropriate informatics…
Descriptors: Undergraduate Study, Biochemistry, Kinetics, Laboratory Experiments
Governor, Donna; Carter, Amanda – Science and Children, 2021
This article provides an overview of the instructional activity implemented to introduce the authors' first-grade students to the concept of measuring, collecting, and recording temperature data as part of a unit on weather. The activities introduced involved approximately one week of instructional time. However, the application of the skill…
Descriptors: Grade 1, Elementary School Science, Elementary School Students, Weather
Grasty, Sarah – Science Teacher, 2020
Fisheries scientists make sure that fish populations ("fisheries") are managed properly, neither over- or under-utilized, to maintain long-term economic and ecological stability. Scientists collect data and conduct surveys to determine fish populations, and then make recommendations about how many fish may be caught by commercial and…
Descriptors: Ichthyology, Animal Husbandry, Science Process Skills, Data Collection
Bierema, Andrea; Schwartz, Renee – Science Teacher, 2016
The fruit fly ("Drosophila melanogaster") is an ideal subject for studying inheritance patterns, Mendel's laws, meiosis, Punnett squares, and other aspects of genetics. Much of what we know about genetics dates to evolutionary biologist Thomas Hunt Morgan's work with mutated fruit flies in the early 1900s. Many genetic laboratories…
Descriptors: Science Instruction, Animals, Genetics, Teaching Methods
Schlueter, Mark A.; D'Costa, Allison R. – American Biology Teacher, 2013
Guided-inquiry lab activities with bean beetles ("Callosobruchus maculatus") teach students how to develop hypotheses, design experiments, identify experimental variables, collect and interpret data, and formulate conclusions. These activities provide students with real hands-on experiences and skills that reinforce their understanding of the…
Descriptors: Teaching Methods, Biology, Research Design, Scientific Methodology
Lloyd, S.; Paetkau, M. – Physics Teacher, 2010
A piezoelectric material generates an electric potential across its surface when subjected to mechanical stress; conversely, the inverse piezoelectric effect describes the expansion or contraction of the material when subjected to some applied voltage. Piezoelectric materials are used in devices such as doorbell buzzers, barbeque igniters, and…
Descriptors: Science Instruction, College Science, Measurement Equipment, Energy
Kraftmakher, Yaakov – European Journal of Physics, 2009
Employment of a data-acquisition system for data collection and calculations makes experiments with antennas more convenient and less time consuming. The determined directional patterns of the dipole antennas of different lengths are in reasonable agreement with theory. The enhancement of the signal by using a reflector is demonstrated, and a…
Descriptors: Student Projects, Demonstrations (Educational), Science Experiments, Science Instruction
Johnson, L.; Adams Becker, S.; Cummins, M.; Estrada, V.; Freeman, A.; Ludgate, H. – New Media Consortium, 2013
The New Media Consortium (NMC) and the National Institute for Staff and Organizational Development (NISOD), with the generous support of Dell and Intel, have jointly released the "Technology Outlook for Community, Technical, and Junior Colleges 2013-2018: An NMC Horizon Project Sector Analysis." This report applies the process developed…
Descriptors: Community Colleges, Vocational Schools, Two Year Colleges, Educational Technology
Leang, K. K.; Zou, Q.; Pannozzo, G. – IEEE Transactions on Education, 2010
Piezoelectric actuators (or piezoactuators) are known for their nanoresolution and high-speed positioning capabilities. Therefore, they are used in scanning probe microscopes and in the design of innovative surgical tools and biomedical devices. The expected growth of engineering jobs in the nano- and bio-related fields, in which piezoactuators…
Descriptors: Engineering Education, Undergraduate Study, Teaching Methods, Hands on Science
Kowles, Richard V. – Bioscene: Journal of College Biology Teaching, 2010
Cell water relationships are important topics to be included in cell biology courses. Differences exist in the control of water relationships in plant cells relative to control in animal cells. One important reason for these differences is that turgor pressure is a consideration in plant cells. Diffusion and osmosis are the underlying factors…
Descriptors: Thermodynamics, Science Activities, Science Laboratories, Cytology
Stewart, Mark T.; Stavrianeas, Stasinos – Advances in Physiology Education, 2008
Accusport analyzers were used to generate lactate performance curves in an investigative laboratory activity emphasizing the importance of reliable instrumentation. Both the calibration and testing phases of the exercise provided students with a hands-on opportunity to use laboratory-grade instrumentation while allowing for meaningful connections…
Descriptors: Laboratories, Instrumentation, Reliability, Data Collection
Johnson, L.; Adams Becker, S.; Cummins, M.; Estrada V.; Freeman, A.; Ludgate, H. – New Media Consortium, 2013
"The NMC Horizon Report" series is the most visible outcome of the New Media Consortium (NMC) Horizon Project, an ongoing research effort established in 2002 that identifies and describes emerging technologies likely to have a large impact on teaching, learning, research, or creative expression within education around the globe. This…
Descriptors: Technology Uses in Education, Educational Technology, Elementary Secondary Education, Technological Advancement
Knipp, Peter A. – Physics Teacher, 2009
Students learn about physical laws and the scientific method when they analyze experimental data in a laboratory setting. Three common sources exist for the experimental data that they analyze: (1) "hands-on" measurements by the students themselves, (2) electronic transfer (by downloading a spreadsheet, video, or computer-aided data-acquisition…
Descriptors: Scientific Methodology, Physics, Scientific Principles, Science Experiments
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