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Lucía Casas-Quiroga; Beatriz Crujeiras-Pérez – Journal of Biological Education, 2024
This study examines the epistemic disciplinary knowledge that students consider when addressing a real food emergency that requires their engagement in inquiry and argumentation practices. The study comprised two phases: (1) designing an experiment to study the emergency and (2) evaluating the real outcome of the emergency. The participants were…
Descriptors: Secondary School Students, Grade 10, Grade 11, Biology
Ambrosino, Christine M.; Rivera, Malia Ana J. – Journal of Biological Education, 2022
This high school-level, place-based, inquiry-driven laboratory module familiarises students with techniques used to analyse animal behaviour while facilitating the development of the observational skills highlighted by the Next Generation Science Standards (NGSS). Throughout the module, students observe, quantify, and discuss local invertebrate…
Descriptors: High School Students, Place Based Education, Science Instruction, Science Laboratories
Christianson, Anna M.; Waters, Carolyn A. – Journal of Chemical Education, 2022
We describe a guided-inquiry laboratory experiment for instrumental analysis in which our students test an improved protocol for the recycling of silver chloride to produce nontoxic waste. Students are provided with samples of silver chloride that they created as waste products in a previous lab experiment and tasked with performing a stepwise…
Descriptors: Inquiry, Active Learning, Science Experiments, Laboratory Experiments
Wan, Tong – International Journal of Science Education, 2023
Measurement uncertainty is a key topic in the university physics laboratory curriculum. In this study, we investigate students' ability to draw conclusions from measurement data and reasoning about measurement uncertainty in inquiry labs. This investigation centres around a task where students conclude whether measurements from two experiments…
Descriptors: Measurement, Physics, College Science, Science Laboratories
Johnson, Shanina Sanders; Winfield, Leyte; Sung, Shannon H. – Journal of Chemical Education, 2021
The dehydration of 2- or 4-methylcyclohexanol to obtain isomers of methylcyclohexene is a classic organic chemistry experiment. Students perform a distillation, collecting samples to analyze the progress of the reaction. The reaction produces a major product that can be explained on the basis of the regiochemistry of the [pi] bond formation for…
Descriptors: Science Instruction, College Science, Undergraduate Study, Organic Chemistry
Kim, Kihyang; Paik, Seoung-Hey – Journal of Chemical Education, 2021
Water electrolysis, a well-known and simple experiment, confirms that a water molecule comprises hydrogen and oxygen atoms. In this experiment, hydroxide or hydrogen ions generated from each electrode were identified using an indicator based on the assumption that electrodes, electrolytes, and indicators do not participate in the water…
Descriptors: Water, Science Instruction, Chemistry, Science Experiments
Wagner, Eugene P.; Murray, Bridget E. – Journal of Chemical Education, 2021
Chemistry of the environment has been a long-standing and important area of scientific research. Atmospheric chemistry is of particular interest in society due to the impact that rising levels of pollutants are having on the climate. It is well-known that combustion processes create CO and NO[subscript x], which leads to the creation of other…
Descriptors: Science Experiments, College Science, Pollution, Chemistry
Roller, Rachel M.; Sumantakul, Saichon; Tran, Michelle; Van Wyk, Andrea; Zinna, Jessica; Donelson, Destiny A.; Finnegan, Sarah G.; Foley, Gregory; Frechette, Olivia R.; Gaetgens, Jessica; Jiang, Jiani; Rinaolo, Katheryn C.; Cole, Renee S.; Lieberman, Marya; Remcho, Vincent T.; Frederick, Kimberley A. – Journal of Chemical Education, 2021
The Making Introductory Courses Real while Online (MICRO) laboratory project was developed to meet the need for hands-on experiments, focused on topics in analytical chemistry, to be delivered safely remotely or in a socially distanced in-person lab. Unlike more traditional lab experiments, MICRO laboratories use only microgram or nanogram amounts…
Descriptors: Science Instruction, Chemistry, Science Laboratories, Science Experiments
Mistry, Nimesh; Shahid, Namrah – Journal of Chemical Education, 2021
Guided-inquiry experiments are an important tool for helping students develop scientific practices such as hypothesizing and problem solving. In organic chemistry, these types of experiments can help students learn how to connect the theory of the reaction to the observation and data to decide how the reaction is proceeding or if it needs…
Descriptors: Organic Chemistry, Science Instruction, Computer Simulation, Teaching Methods
Roberts, Charis A.; Allen, Seth; Helmy, Sameh – Journal of Chemical Education, 2021
There has been dramatic growth in interest and research regarding organic photochromism in recent decades. Despite this, the topic is seldom addressed in the undergraduate chemistry curriculum. Herein, we present a straightforward and robust experiment for the second semester organic chemistry laboratory curriculum which combines multistep…
Descriptors: Science Instruction, College Science, Organic Chemistry, Laboratory Experiments
Rattanakit, Parawee – Journal of Chemical Education, 2021
This paper describes an inquiry-based integrated laboratory project for green synthesis, characterization, and applications of silver and gold nanoparticles. In this project, students were able to choose their choice of plant extract as reducing and stabilizing agents, and the students also designed their own experiments. This course gave the…
Descriptors: Inquiry, Active Learning, Science Laboratories, Student Projects
White, Jacob; Costilow, Kimberly; Dotson, Jacob; Mauldin, Robert; Schanandore, Mattie; Shockley, Denise – Journal of Chemical Education, 2021
In this guided-inquiry lesson, students were tasked with determining the efficacy of an at-home drinking water filter at removing lead (Pb) from tap water using graphite furnace atomic absorption spectroscopy by determining the concentration of lead before and after filtration. The lesson was structured to allow students to choose and perform…
Descriptors: Science Instruction, Science Laboratories, Inquiry, Science Experiments
Sun, Maolin; Liang, Chaoming; Shen, Xinyuan; Li, Jianchang; Cheng, Ruihua; Ye, Jinxing – Journal of Chemical Education, 2021
The laboratory experiment regarding esterification of ethylene glycol with acetic acid to ethylene glycol diacetate using resin catalysts in a continuous flow was designed to carry out the reaction in a flow through an inquiry-guided approach. Incorporating the burgeoning field of continuous flow chemistry into the educational infrastructure, the…
Descriptors: Science Instruction, Science Laboratories, Undergraduate Students, Science Experiments
Collett, Joel D.; Krause, Jeanette A.; Guan, Hairong – Journal of Chemical Education, 2021
Inorganic Chemistry teaches students the concept that modifications to ligand structures, especially the donor properties, can have a drastic impact on the reactivity and stability of the metal complexes. Experiments described here reinforce this concept through the investigation of two tetradentate ligands derived from…
Descriptors: Inorganic Chemistry, Science Instruction, Science Laboratories, College Science
Kapici, Hasan Ozgur; Akcay, Hakan; Cakir, Hakki – International Journal of Science Education, 2022
Inquiry-based learning can be an effective approach when students are provided with sufficient guidance. However, there is an ongoing debate among practitioners about the nature, type, and level of such guidance. This study investigated the effects on middle school students' (N = 116) conceptual knowledge and inquiry skills acquisition of…
Descriptors: Science Instruction, Inquiry, Hands on Science, Computer Simulation