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In this inquiry investigation, students conclude that the motion of the Earth is linked to the changes we observe such as the length of the day. Students learn about the reason behind the Earth's time zones. An optional water clock and sand clock... (View More)

Keywords: Time; Orbit; Time zones

In this resource, the author uses graphing and the linear scale to explain what logarithms are then describes examples that show how logarithms are used in the field of engineering. Examples include vibration levels in the Space Shuttle and the... (View More)

Keywords: Logarithm; Log; Graph
Audience: Middle school
Materials Cost: Free per student

In this exercise, learners use basic arithmetic to determine the amount that sea level would rise around the globe with the melting of the Greenland and Antarctic ice sheets. Basic data for this calculation is provided. This resource is from PUMAS -... (View More)

Audience: Middle school
Materials Cost: Free per student

This math problem demonstrates a lawyer's use of some very simple science and math. The case involves a $26 million lawsuit over a construction waste landfill and lead contamination. This resource is from PUMAS - Practical Uses of Math and Science -... (View More)

Audience: Middle school
Materials Cost: Free per student

In this example, a computer scientist describes how the remainder in integer division has utility in pattern recognition and in computer programming. This resource is from PUMAS - Practical Uses of Math and Science - a collection of brief examples... (View More)

In this activity, students develop reasonable calendar designs for an imaginary planet using factoring as a problem solving strategy. This resource is from PUMAS - Practical Uses of Math and Science - a collection of brief examples created by... (View More)

Keywords: Gregorian calendar
Audience: Middle school
Materials Cost: Free per student

In this exercise, students learn about the historical development of the Julian and the Gregorian Calendars and design a reasonable calendar for an imaginary planet, considering the cycle period and making design tradeoffs, This resource is from... (View More)

Learners will use simple sports balls as scale models of Earth and the Moon. Given the astronomical distance between Earth and the Moon, students will determine the scale of the model system and the distance that must separate the two models. This... (View More)

Audience: Elementary school, Middle school, High school
Materials Cost: Free

This is a lesson about gathering information, applying scientific identification processes, and identifying unknown rocks. Learners will conduct an investigation, observe and record the physical characteristics of an unknown rock (meteorite),... (View More)

This is a lesson about mapping objects using triangulation. Learners hunt distant meteorites using geometric properties and relationships, demonstrate and experience triangulation, and apply triangulation to directed and group-challenge mapping... (View More)