Knowing how many individuals are in a population can be critical. How can you tell how many there are when there are too many to count? This model simulates a pond of tadpoles. The population size can be estimated in three ways: direct sampling, sampling with removal, and mark/recapture.
Subject Domains
- Astronomical Objects And Their Characteristics
- Astronomy Related Sciences And Fields Of Study
- Effect And Phenomena
- Terms And Concepts
- Botany
- Ecology
- Humans And Animals
- Life Processes
- Variation, Inheritance And Evolution
- Analytical Chemistry
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- Biomedical Engineering
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- Climate
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- Algebra And Number Theory
- Applied Mathematics
- Differential And Difference Equation
- Geometry
- Logic And Foundations
- Numbers And Computation
- Statistics And Probability
- Topic From Subjects
- Electricity And Magnetism
- Energy
- Fields
- Forces And Motion
- High Energy Physics
- History Of Science And Technology
- Light
- Radioactivity
- Solids, Liquids And Gases
- Sound
- Technological Applications
- Tools For Science
- Useful Materials And Products
- Waves
- Computer Science And Technology
- Design
- Electricity - Electronics
- Industry
- Mechanics
- Production
Astronomy
Biology
Chemistry
Engineering
Environmental Education
Geography And Earth Science
Mathematics
Physics
Technology
Big Ideas Of Science
- Energy Transformation
- Fundamental Forces
- Our Universe
- Structure Of Matter
- Microcosm (Quantum)
- Evolution And Biodiversity
- Organisms And Life Forms
- Planet Earth
Lab Types
- Remote Lab
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Age Ranges
- Before 7
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Online labs provide your students with the possibility to conduct scientific experiments in an online environment. Remotely-operated labs (remote labs) offer an opportunity to experiment with real equipment from remote locations. Virtual labs simulate the scientific equipment. Data sets present data from already performed lab experiments. Please use the filters on the right to find appropriate online labs for your class. Labs can be combined with dedicated Apps to create Inquiry Learning Spaces (ILSs).
If you are looking for online labs especially suitable for the curricula of Benin, Kenya or Nigeria, please visit our Collections page.
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Environmental Educati...
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What causes an area to have poor air quality? Use this model to explore the connections between pollution sources, weather, geography, and air quality.
Understanding the structure of the atmosphere is critical in understanding where and how global warming occurs. This visualization illustrates the major layers in the atmosphere and identifies a number of key characteristics and defining attributes of each layer.
Instituto Geográfico Nacional's data base offers data on earthquakes, volcanic activity, aerial photos and other data related to Earth Sciences and geography.
This lab allow the user to study how the eolic energy can be used in order to generate another type of enegry, in this case electrical energy which can then be used.
There are several parameters that the user will be able to modify in order to experiment with this energy.
Lab to observe thermal radiations from the ground on various planets depending of the temperature
Convert between pH values and concentration of hydronium ions. An interactive graph visualizes the formulaic relationship.
The Portuguese Sea and Atmosphere Institute, I. P.
How does solar radiation interact with the Earth and its atmosphere to cause global warming? Use this lab to see what’s going on at the molecular level.