Technology and Engineering (T&E) education has traditionally included safety as a core component of its curriculum and instruction. Recommendations for safety instruction can be found in manual arts and industrial arts documents (Christy, 1938). Safety was emphasized across all grade levels, including the elementary grades (Miller & Boyd,…

Facing calls for greater emphasis on STEM education in primary school classrooms, teachers may be anxious because of limited exposure to STEM in their own education. The Australian Curriculum: Technologies is new and many teachers are not familiar with its content. Hence both in-service and pre-service teachers (PSTs) require preparation. This…

Students' understandings of foundational concepts such as noncovalent interactions, pH and pK[subscript a] are crucial for success in undergraduate biochemistry courses. We developed a guided-inquiry activity to aid students in making connections between noncovalent interactions and pH/pK[subscript a]. Students explore these concepts by examining…

When it comes to eye safety, there are some situations in which regular safety glasses will work adequately for the needs of the STEM education classroom or laboratory. However, there are certain instances in which safety goggles must be used for safer protection. Taking the time to analyze hazards and assess the risks prior to any activity in the…

This research reports the assessment of pre-service teachers' reception and attitudes towards virtual laboratory experiments in Life Sciences with the aim of advancing adaptability to digital learning. Using sequential mixed-methods in a quasi-experimental design, 68 pre-service teachers in the 3rd year of a Bachelor of Education (B.Ed) program…

To be able to design a laboratory course it is important to know what laboratory skills students possess before the course starts. This way the course can focus on developing skills in areas that are lacking. Despite the extensive literature on laboratory education, there are few studies on what laboratory skills students have at this stage of…

The study was conducted to compare the performance of students working in chemistry laboratory with those working in chemistry laboratory supplemented with simulations at secondary school level. The study was experimental in nature and post-test only control group design was used. The sample comprised of 55 males and 60 female students and 02…

Three days into the academic year, the COVID-19 pandemic abruptly led to emergency remote teaching, ERT, of Chemical Experimentation--a revised alternative to the majors' General Chemistry Laboratory at the University of Costa Rica. The course was reoriented to support students' development of nontechnical experimentation skills and scientific…

In this guided inquiry experiment, students extract catecholase enzyme from apples to catalyze the oxidation of catechol. They follow the reaction using the UV--vis absorbance of the "p"-benzophenone produced to determine the Michaelis-Menten kinetic parameters. Students make selected experimental choices within a structured framework…

Early childhood education leaders are dedicated, resilient, and caring professionals. They are master multitaskers, seamlessly transitioning from comforting crying children to managing a plumbing problem; from writing a facilities report to meeting with a family to help them better understand their child's development. But they are often not able…

Column chromatography of photosynthetic plant pigments is a common experiment in introductory laboratory courses for science majors and nonscience majors alike. We report a simple, rapid, reproducible, and small-scale solid--liquid extraction of photosynthetic pigments from inexpensive, store-bought dried herbs that affords a dark-green extract…

A unique line of WPA scholarship highlights the bodily, mental, and emotional toll of administering writing programs, which has prompted analysis of the institutional mechanisms that produce frustration in WPA work. Writing programs are comprised of a wide range of (non)human institutional forces in often incoherent and unsustainable ways, which…

It often falls to a physicist to teach a conceptual astronomy course. It is easy to justify a treatment of general relativity in the context of massive stars, black holes, and cosmology. There are a number of good books available to serve as texts or references, including Thorne's "Black Holes and Time Warps: Einstein's Outrageous…

Categorizing the various levels of protein and nucleic acid structures is a relatively straightforward concept students understand quickly when shown representative structural images. However, keeping in mind the idea of primary, secondary, and tertiary structure proves more difficult when students are in the laboratory setting simply looking at a…

In this study, the tilt of the Earth's axis was measured during a lunar eclipse using a telescope based on the angle between the lunar orbit and ecliptic planes being considered as approximately zero. The presented method not only offers a practical and reliable way of measuring the axial tilt of the Earth during a lunar eclipse but also helps in…