Science educators now broadly recognize the multimodal nature of learning in science, where learners make meanings within modes (linguistic, mathematical, visual, and actional) by using the conventions of different sign systems or grammars in these modes. However, how teachers guide students to link and infer new meanings across modes, called…

Investigating stars can be difficult. The five-day unit presented in this article is designed for fifth graders to work toward Next Generation Science Standard (NGSS) performance expectation 5-ESS1-1, with each lesson lasting about 30 minutes. Students investigate the relationship between the brightness of light and distance, apply their…

The aim of this study is to examine the effects of activities developed on the subject of Moon Movements and Phases on the spatial skills and academic achievement of 5th-grade students. For this purpose, a mixed research method was used. In the quantitative dimension of the research, a quasi-experimental design with pretest-posttest control group…

This paper examines the praxeology of informal educational practices (i.e. how participants produce setting-specific practices to make a tour happen) in the Geophysical and Astronomical Observatory of the University of Coimbra through close analysis of a video-recorded excerpt of a guided tour. Guided visits in informal science settings are…

During the August 21, 2017, solar eclipse, high school students measured secondary cosmic ray flux using QuarkNet detectors. These students conducted experiments examining cosmic ray flux, shower, speed of muons, and muon lifetime using QuarkNet cosmic ray muon detectors (CRMDs). These detectors measure muon flux of momenta greater than ~2 GeV, a…

Shadows produced by sunlight reflected from convex surfaces can be very well defined. This article provides an explanation for this phenomenon as well as a demonstration/lab activity for students to investigate properties of shadows made from sunlight reflected by a curved surface.

Opportunities to engage with science exist in a variety of non-formal educational contexts, but rarely have studies examined ways to leverage science interest and learning at community science events and other single-attendance occasions. This study builds on Yeager and Walton's (2011) concept of brief, wise interventions by using open-ended…

This article describes how kindergarten scientists at Caldwell Heights Elementary School in Round Rock, Texas created what they named a "Light Circle" using their classroom's south-facing window, its windowsill, and a small round mirror. The tilt of the Earth and the latitude of one's location combine to determine if the Sun ever shines…

Children can see the Moon with the naked eye and often are curious about the Moon and other objects in the sky, like the Sun and the stars. However, there is sometimes disagreement in early childhood about whether studying space is appropriate for young children. This activities described in this article engaged children who had different learning…

The science curriculum aims to provide students with the identity of a researcher, thinking skills, and scientific process skills. Critical thinking skill emerges as one of the skills that should be emphasized in the teaching process in terms of its structural features and the qualities aimed to be given to individuals. For individuals to gain…

Astrophotography has been responsible for the discovery of planets, solar systems, stars, and several other celestial objects, which directly helps with expanding our knowledge about the universe and creating scientific models for nature. Practical techniques have been extensively described, including Covington, who has published an extensive…

Space is a topic most learners find engaging. This article set out a short project investigating meteorite impacts, both practically and using simulations, and suggests resources that could be used. The formation of craters, such as those on the Moon caused by objects landing on its surface, is used to illustrate a study plan. The project is…

This study aimed to elucidate the perceptions and mental models of 5th-grade secondary school pupils about shadows, solar eclipses and lunar eclipses through drawings. A total of 443 pupils studying at public schools in Afyonkarahisar participated in the study. It was conducted as a case study, one of the qualitative research designs. As a data…

This study aimed to investigate the effects of the applications conducted in the science center within the scope of the science lesson "Solar System and Beyond" unit of the 7th-grade students in the secondary school, on the perceptions of the students about the out-of-school learning environments (OSLEs). In the quantitative part of the…

The ancient Greek astronomers devised ingenious methods for measuring the size and distances of the Earth, Moon and Sun. The concepts were beautifully simple and although in most cases could only yield approximate results, they have the advantage that they can be understood by anyone with a basic mathematical background. The emergence of…