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This is an activity about the Signal-to-Noise Ratio. Learners will engage with a hands-on activity and an online interactive to understand the terms signal and noise as they relate to spacecraft communication; quantify noise using a given dataset;... (View More) and calculate the signal-to-noise ratio. The activity also includes a pencil-and-paper component that addresses relevant topics, such as proportions and ratios. Includes teacher background information, student data sheets, answer guide, extensions and adaptions. (View Less)
Learners will be introduced to the concepts of error analysis, including standard deviation. They will apply the knowledge of averages (means), standard deviation from the mean, and error analysis to their own classroom distribution of heights. They... (View More) will then apply this knowledge to data from the Student Dust Counter (SDC) onboard the New Horizons mission to determine the issues associated with taking data, including error and noise. Note: Updated links to the Student Dust Counter Data Viewer and website are provided under Related & Supplemental Resources (right). (View Less)
This lesson provides a way for students to determine the relationship between the distance from a light source and its brightness. Once students discover the relationship, they can begin to understand how astronomers use this knowledge to determine... (View More) the distances to stars and far away galaxies. (View Less)
In this activity, learners draw a circle with a single focus, an ellipse with two foci close together, and an ellipse with two foci far apart, and compare the shapes. Learners then measure the Sun in four images each taken in a different season,... (View More) comparing the apparent size of the Sun in each image to determine when Earth is closest to the Sun. This is the second activity in the SDO Secondary Learning Unit. The activity is reprinted with permission from the Great Explorations in Math and Science (GEMS). (View Less)
Learners will use data from the Student Dust Counter (SDC) Data Viewer to establish any trends in the distribution of dust in the solar system. Students record the number of dust particles, or hits, recorded by the instrument and the average mass of... (View More) the particles in a given region. Note: Updated links to the Student Dust Counter Data Viewer and website are provided under Related & Supplemental Resources (right). (View Less)
Learners will relate the concept of density to the density of dust in space. They will use mission data from the Student Dust Counter (SDC) data viewer to determine the density of dust grains in a volume of space in order to answer questions... (View More) concerning the distribution of dust in the solar system. They will discover that space is much more sparsely populated with dust than they may have thought. Students discuss their findings with the class. Note: Updated links to the Student Dust Counter Data Viewer and website are provided under Related & Supplemental Resources (right). (View Less)
Using the diameter of a pencil as a reference, students calculate and construct a line chart to show the relative height of several altitudinal points such as Earth's atmosphere, the beginning of space, commercial airplane flights, and the Hubble... (View More) space telescope. (View Less)
This is an activity about the period of the Sun's rotation. Learners will use image of the Sun from the SOHO spacecraft and a transparent latitude/ longitude grid called a Stonyhurst Disk to track the motion of sunspots in terms of degrees of... (View More) longitude. Using this angular motion measurement, learners will then calculate the sunspot’s angular velocity in order to determine the rotation period of the Sun. This activity requires access to the internet to obtain images from the SOHO image archive. This is Activity 4 of the Space Weather Forecast curriculum. (View Less)
In this lesson, students observe the surface of rotating potatoes to help them understand how astronomers can sometimes determine the shape of asteroids from variations in reflective brightness.
This is an activity about how the Sun can affect the Earth's atmosphere, specifically the ionosphere. Learners will use real data from a Sudden Ionosphere Disturbance Monitor, or SID Monitor, to identify the signatures in the graphed data that can... (View More) be used to determine the times of sunrise and sunset. Although the SID monitors are designed to detect SIDs caused by solar flares, they also detect the normal influence of solar X-rays and UV light during the day as well as cosmic rays at nighttime. There is a distinct shape to a 24-hour SID data graph, with unique shapes, or signatures, of the graph appearing at sunrise and sunset.This activity is part of the Research with Space Weather Monitor Data educators guide. Use of and access to a Stanford Solar Center SID monitor and the internet is encouraged but not required. Locations without a SID monitor can use sample data provided in the educators guide. (View Less)