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This online calculator computes radioactive decay, timed decay, and timed solid disposal for a databank containing 116 isotopes. It also features University of British Columbia disposal limits and a unit converter and date/time calculators. These tools calculate the half-life for selected isotopes; radioactive decay final activity, given the initial activity and decay time; the decay time, given the ... Full description.
Grade level: High (9-12), College (13-14), College (15-16), Graduate / Professional
Resource type: Calculation / Conversion tool
Subject: Chemistry, Physics
 
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This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
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This Java applet calculates three views of the bright planets (Mercury, Venus, Mars, Jupiter, Saturn) and the Moon. It displays a diagram showing rise and set times over the year, a view at local horizon, and a view of the ecliptic plane. Full description.
Grade level: High (9-12), College (13-14), College (15-16), Graduate / Professional
Resource type: Calculation / Conversion tool
Subject: Physics, Space science
 
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This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
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This program calculates tectonic plate motion at any location on Earth using one or more plate motion models. The possible plate motion models are GSRM v1.2 (2004), CGPS (2004), HS3-NUVEL1A, REVEL 2000, APKIM2000.0, HS2-NUVEL1A, NUVEL 1A, NUVEL 1, and two models for ITRF2000. Plates or frames are selected from dropdown lists or can be entered by the user. Position coordinates can be entered in geographic ... Full description.
Grade level: High (9-12), College (13-14), College (15-16), Graduate / Professional
Resource type: Calculation / Conversion tool
Subject: Geology, Geophysics
 
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This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
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Users can learn about their own personal environmental impacts by using the eco-footprint calculator. The basic calculator is a short quiz which estimates how much productive land and water users need to support what they use and discard. It consists of questions relating to food, transport, shelter and goods/services and will provide a quick and relatively accurate ecological footprint for an individual ... Full description.
Grade level: Intermediate (3-5), Middle (6-8), High (9-12)
Resource type: Calculation / Conversion tool
Subject: Environmental science
 
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This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
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This calculator allows users to calculate their ecological footprint in terms of trees required to sequester the carbon from carbon dioxide emissions produced by household use and transportation. Exact emissions figures or national averages can entered into the calculator, and the amount of carbon dioxide generated by burning of fossil fuels is calclulated, as well as the number of trees it will take ... Full description.
Grade level: General public
Resource type: Calculation / Conversion tool
Subject: Atmospheric science, Environmental science
 
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General reviews: Read (1)
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This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
Climate Change Collection     Browse collection
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This site provides unit conversions for, among others, length, weight, temperature, pressure, density, acceleration, and radiation. Full description.
Grade level: Middle (6-8), High (9-12), General public
Resource type: Calculation / Conversion tool
Subject: Chemistry, Mathematics, Physics
 
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This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
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This set of conversion tools helps convert units and values for weather data, including temperature, moisture, atmospheric pressure, wind, and other parameters. Formulas are also provided for the conversions. Full description.
Grade level: Middle (6-8), High (9-12), College (13-14), College (15-16), Graduate / Professional
Resource type: Calculation / Conversion tool
Subject: Atmospheric science
 
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This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
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This tool calculates magnetic declination for a variety of locations across Canada and elsewhere. Users select a city (Canada only) from a drop-down menu or enter latitude and longitude values (works for any location), and the tool calculates the proper magnetic declination (the angular difference between observed magnetic North on a compass and geographic or 'true' North). There are also links to ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14), College (15-16), Graduate / Professional
Resource type: Calculation / Conversion tool
Subject: Geophysics, Physical oceanography
 
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This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
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In this activity, students construct a scale model of the solar system using a tape measure or a very long roll of paper. A calculation tool is provided to determine the correct scaled distances and planet sizes. A brief discussion of the concept of the vast distances of space is included, along with links to other solar system resources. Full description.
Grade level: Intermediate (3-5), Middle (6-8), High (9-12), Informal
Resource type: Classroom activity, Calculation / Conversion tool
Subject: Physics, Space science
 
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This resource is included in the following collections:
NASA ED Mall Collection    Browse collection
DLESE Community Collection (DCC)     Browse collection
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This high school level computer activity requires students to use formulas to calculate heat index from data collected in Lamont, Oklahoma. The activity includes a calculator with air temperature and relative humidity inputs to check answers. It is part of the Atmospheric Visualization Collection (AVC), which focuses on data from the Atmospheric Radiation Measurement(ARM) program. Full description.
Grade level: High (9-12)
Resource type: Computer activity, Calculation / Conversion tool
Subject: Atmospheric science
 
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
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This resource is included in the following collections:
Atmos Visualization Collection (AVC)    Browse collection
Results 21 - 30 of 95 <<  1 2 3 4 5 6 7  >>