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Size and scale  
SMD Forum - Primary:
Planetary Science  
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Learners create scale models of Earth, the moon, and Mars out of playdough. Based on the size of the models, they must determine the relative distance between them and then display them at that scale. This activity was designed for use in a library... (View More)

This collection of 160 math problems covers the 20 science topic themes presented by the NASA/JPL Year of the Solar System (YOSS) website, covering the solar system, planets, the search for life, and robotics. Examples of topics included are: scale... (View More)

Learners select from a variety of fruits to construct a scale model of the Moon, Earth, and Sun. After determining the correct sizes and distances for their models, they remove the Moon. They consider what it would be like if the nearby Moon were no... (View More)

This is a demonstration about the density of the planets. Learners will compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods. They will then dunk the "planets" in water to highlight the fact... (View More)

Learners will shrink the scale of the solar system to the size of their neighborhood and compare the relative sizes of scale models of the planets, two dwarf planets, and a comet as represented by fruits and other foods. This activity requires... (View More)

Keywords: Jupiter

This is a reading strategy guide in a series of guides that utilizes articles from the Great Explorations in Math and Science (GEMS) program. These strategy guides provide teachers of middle school students with a reading strategy (in this case,... (View More)

Audience: Middle school

This is a reading strategy guide in a series of guides that utilizes articles from the Great Explorations in Math and Science (GEMS) program. These strategy guides provide teachers of middle school students with a reading strategy (in this case,... (View More)

Audience: Middle school

Learners will explore the relationship between angular size, actual size, and distance by using their finger, thumb and fist as a unit of angular measurement. Includes teacher background, student data sheet, and extensions.

This is an activity about sampling in astronomy. Learners will make a sampling window in order to estimate the number of stars in the sky visible to the unaided eye. After, they will discuss how to estimate the effect of different variables on their... (View More)

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