Micrometeorites originate from small pieces of rock from space colliding with the Earth's atmosphere at high velocity, such as the Perseid meteors which hit the atmosphere at 60 km/s. When they do so, they burn up, causing a flash of light that we see as a meteor. Many groups have been successful collecting these particles using various devices.…

A pilot program was developed for middle school (grades 6-8) educators and students to apply NASA real-world problems to classroom concepts through the use of digital badges, as part of NASA Langley Research Center's (LaRC) Centennial Celebration. Three sets of digital badges were developed on three of NASA's main missions: Earth Science,…

December brings the winter solstice, the day with the shortest amount of sunlight for the northern hemisphere. Students can notice the pattern of days getting darker earlier across the United States up to this point and then notice as the amount of sunlight starts to increase in the following months. Through making observations and collecting data…

This task asks readers to figure out why when you stir a cup of hot liquid and tap on the side of the cup with a spoon, the pitch of sound starts low and ends up high. The solution to last month's tasks relating to the circumference of the Earth and how many stars are in the (visible) sky is also presented.

Many researchers have documented the difficulties for learners of different ages and preparations in understanding basic astronomical concepts. Traditional instructional strategies and communication media do not seem to be effective in producing meaningful understanding, or even induce misconceptions and misinterpretations. In line with recent…

The science education literature shows that students have difficulty understanding what causes the seasons. Incorrect explanations are often due to a lack of knowledge about the physical mechanisms underlying this phenomenon. To address this, we present a module in which the students engage in quantitative measurements with a photovoltaic panel to…

The presence of geosciences in the curriculum of primary and secondary schools in Argentina has been highly dependent on educational policies that change frequently under political circumstances. Subjects related to geology, geophysics, meteorology, and astronomy make their appearance and disappear under the influence of educational initiatives…

This paper presents a laboratory exercise used to teach principal components analysis (PCA) as a means of surface zonation. The lab was built around abundance data for 16 oxides and elements collected by the Mars Exploration Rover Spirit in Gusev Crater between Sol 14 and Sol 470. Students used PCA to reduce 15 of these into 3 components, which,…

After studying phenomena related to the positions and motions of the Earth, Sun, and Moon, many students are familiar with the positional ordering of the planets, but their knowledge of the distances involved is vague. Scale models are one means of bringing extreme sizes into better focus, cutting them down to relative values that they can better…

Geologic time, or the time frame of our planet's history, is several orders of magnitude greater than general human understanding of "time." When students hear that our planet has a 4.6-billion-year history, they do not necessarily comprehend the magnitude of deep time, the huge expanse of time that has passed from the origin of Earth through the…

The purpose of this paper is to describe and analyze the process of construction of meaning about the shape of the Earth and the alternation of day and night, which is inherent to the practice of experimental science teaching. This teaching practice was gradually done by the researcher in a 1st grade class of a Portuguese primary school. The class…

Describes an activity that involves determining local solar time of the various parts of a total lunar eclipse--beginning of the dark umbral phase of eclipse, onset of totality, end of totality, and end of dark umbral phase of eclipse--and comparing to the solar time of the events at Greenwich to calculate the longitude at the place of…

Describes activities that can be done before and during the Solar Eclipse that is to occur on Saturday, March 7, 1970. Examples are: making a sun clock, charting the path of the sun, tracking the moon, predicting the eclipse, measuring the size of sun and moon, and observing the eclipse. (BR)

Instructions for observing the Solar Eclipse on Saturday, March 7, 1970, which will be total along a strip about 85 miles wide along the Atlantic Seaboard. Safety precautions and how to construct a pinhole camera to observe eclipse. (BR)