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**Earth and space science**

**Mathematics**

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This is an activity about graph interpretation. Learners will compare, interpret, and discuss four graphs of the speed, temperature, magnetic field strength, and density of a coronal mass ejection as it swept past Earth in 1997. This is the third... (View More) activity in the Solar Storms and You: Exploring the Wind from the Sun educator guide. (View Less)

This is an activity about the solar activity cycle. Learners will construct a graph to identify a pattern of the number of observed sunspots and the number of coronal mass ejections emitted by the Sun over a fifteen year time span. A graphing... (View More) calculator is recommended, but not required, for this activity. This is the second activity in the Solar Storms and You: Exploring the Wind from the Sun educator guide. (View Less)

Using the simple example of calculating the probability of reaching a traffic light while green, students are shown how to build a mathematical model using a very commonly-taught formula (sum of first n integers) to solve a rather practical problem.... (View More) This resource is from PUMAS - Practical Uses of Math and Science - a collection of brief examples created by scientists and engineers showing how math and science topics taught in K-12 classes have real world applications. (View Less)

In this activity, learners will explore the question, What is the chance that we are the only life in the universe? They determine what we need to know to predict the chances of extraterrestrial life. They then make estimates of the number of worlds... (View More) in the Milky Way galaxy that have life using the Drake equation. This is activity 5 of 5 in "Astrobiology in your Classroom: Life on Earth..and Elsewhere?" and builds on the previous activities. (View Less)

This is an activity about digital imagery and technology. Learners will create a picture using graph paper containing ones and zeroes and instruct others to reproduce it without showing it to them, just like digital technology. After, in groups,... (View More) they will work on constructing a four-color digital image of the Sun from satellite data. This is Actividad 10.3 as part of El Universo a Sus Pies, a Spanish-language curriculum, available for purchase. (View Less)

This is a lesson about sampling and estimation. Learners will make an object called a sampling window through which they will first count the number of stars on a printed page and estimate the total number of stars on the page, then count and... (View More) estimate the number of letters on a newspaper page, and finally count and estimate the number of stars in the nighttime sky. While most of this activity can be done in a classroom, the final part of the activity requires access to a darkened sky location at night. This is Actividad 7.1 as part of El Universo a Sus Pies, a Spanish-language curriculum available for purchase. (View Less)

This excercise uses "the birthday problem," a well-known probability riddle with a surprising result. It serves as a calculator exercise for students and beginning computer programmers. This resource is from PUMAS - Practical Uses of Math and... (View More) Science - a collection of brief examples created by scientists and engineers showing how math and science topics taught in K-12 classes have real world applications. (View Less)

This is an activity about observation. Learners will first observe a first quarter Moon and as a group, predict which phase the Moon will be in during the next observation. After this, learners will continue to chart the progress of the lunar cycle... (View More) of phases throughout the following weeks to better understand the sequence. This is Activity A-2 of Universe at Your Fingertips 2.0: A Collection of Activities and Resources for Teaching Astronomy DVD-ROM, which is available for purchase. (View Less)

This is an activity about spectroscopy. Learners make their own spectroscope and measure the wavelengths of spectral lines. Then, they will record the colors, patterns, and wavelengths of the lines from various light sources. This activity requires... (View More) use of gas discharge tubes and power supplies. This is Activity J-6 of Universe at Your Fingertips 2.0: A Collection of Activities and Resources for Teaching Astronomy DVD-ROM, which is available for purchase. (View Less)

This is an activity about science and pseudo-science. Learners will examine the validity of astrology by charting birth dates of U.S. presidents and by comparing horoscopes in different newspapers. After, students will attempt to identify their own... (View More) horoscope from an unidentified list of daily predictions. This is Actividad 11.2 as part of El Universo a Sus Pies, a Spanish-language curriculum, available for purchase. (View Less)