This study studied the types of peer scaffolding presented in scientific experimental activities. The study included 14 university students. For the experimental activity of 'determining temperature changes using the meridian altitude of the sun,' information regarding experimental behaviors, thinking aloud, discourse, and retrospective interview…

The aim of this research is to establish the contribution of demonstration and student-led experiments on the quality of students' knowledge about the air-related content in the third grade of primary school. This research included 120 students from Serbia, divided into two groups: control (C) and experimental (E). In group C the experiments were…

We applied cognitive load theory in an heuristic out-of-school science lesson. The lesson comprises experiments concerning major attributes of NaCl and was designed for 5th to 8th grade students. Our interest focused on whether cognitive load theory provides sufficient guidelines for instructional design in the field of heuristic science…

Cognition is a general term describing the mental capacities of an animal, and often includes the ability to categorize, remember, and communicate about objects in the environment. Numerous regions of the telencephalon (cerebral cortex and limbic system) are responsible for these cognitive functions. Although many researchers have used traditional…

This article presents a lesson plan in which students learn about water in solid, liquid, and gaseous phases through trade books, demonstrations, and artwork. The author illustrates the stages of the lesson plan in the sequence they were conducted in the classroom with a group of students in grades one and two. Each stage targets specific learning…

Describes an investigation of the strategies used by 47 high school students in solving volumetric analysis problems in chemistry. Reports that students in the high ability group mainly used the "formula" approach, while those in the low ability group tended to use the "proportional" approach to problem solving. (TW)