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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)

This is an activity about the movement of a coronal mass ejection. Learners will plot the path of two coronal mass ejections (CMEs), both the distance traveled and the increasing angular width, as they leave the Sun and travel outward through the... (View More) Solar System. Then, they will sketch the path of the CMEs and identify the location on the Sun from which a CME would need to leave in order for it to hit Earth. This is the first activity in the Solar Storms and You: Exploring the Wind from the Sun educator guide. (View Less)

This math problem demonstrates the concept of geometric progression, through an example of a million dollar contract between an employee and an employer. Application of the concept of geometric progression to social cause activism is addressed. This... (View More) 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)

This is a lesson about the requirements for life on another planet. Learners will grow organisms in one of 12 classroom environments and identify common requirements (such as water, nutrients, and energy). They will also design a mission to identify... (View More) habitable places by searching for water, nutrients, and energy. A math extension explores measuring calories. This is activity 2 of 5 in "Astrobiology in your Classroom: Life on Earth..and Elsewhere?" (View Less)

Materials Cost: $1 - $5 per group of students

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 a lesson about representative sampling. When given parts of the Hubble Deep Field image, learners will count the number of galaxies in one sample section of the image. Then, they will calculate how many galaxies there are in each whole image... (View More) and how many objects the Hubble Space Telescope could see in the entire Universe. This is Actividad 8.6 as part of El Universo a Sus Pies, a Spanish-language curriculum available for purchase. (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)