How do shadows change?

Chrystalla Lymbouridou, Soeren Werneburg, Daniela Leone, Julieta Jimenez
Age range: 
10-12, 12-14, 14-16
Language: 
English
Level of difficulty: 
Easy
Level of interaction: 
Medium
Access rights: 
Creative Commons Attribution (CC BY)
Description: 

A Greek mathematician, Eratosthenes (276 BC-194 BC) used an experiment to enable him to prove the sphericity of the Earth and to measure its circumference. He used sun and shadows for his calculations! Let's watch what has he done.

Inquiry Learning Phases: 
Eratosthenis (Orientation)
Apps in use: 

The Concept Mapper tool lets learners create concept maps, to get an overview of the key concepts and their relations in a scientific domain. They can define their own concepts and relations or choose from a list of predefined terms.

As a...Read more

Category: 
Go-Lab inquiry apps
App type: 
OpenSocial gadget

The Questioning Scratchpad helps learners formulate research questions. In addition to free text editing, pre-defined domain terms are offered to support them. As a teacher you can change the configuration of this tool. In the configuration menu...Read more

Category: 
Go-Lab inquiry apps
App type: 
OpenSocial gadget
Want to know (Conceptualisation)
Apps in use: 

The Hypothesis Tool helps learners formulate hypotheses. Predefined domain terms can be combined to form a hypothesis, using drag and drop. Learners can also add their own terms using the Type your own box. As a teacher you can change the...Read more

Category: 
Go-Lab inquiry apps
App type: 
OpenSocial gadget

The Concept Map Aggregation integrates all concept maps of a single ILS into one, differing the size of concept nodes and the strength of their relations depending on how many students have actually used them. This way, students can reflect on...Read more

Category: 
Go-Lab inquiry apps, Learning analytics apps
App type: 
OpenSocial gadget
Investigate ()
Apps in use: 

The Data Viewer provides features for learners to organise and visualise the data from experiments. Data sets can be presented in different ways, e.g. as a bar chart, scatter plot or line chart. As a teacher you can change the configuration of...Read more

Category: 
Go-Lab inquiry apps
App type: 
OpenSocial gadget

The Experiment Design Tool (EDT) supports planning scientific experiments and recording the results observed. Learners can define several experiment designs from the given set of properties and measures, and enter the values obtained from the...Read more

Category: 
Go-Lab inquiry apps
App type: 
OpenSocial gadget
Answer WHY? (Conclusion)
Apps in use: 

This app allows students to upload files, e.g., assignment and reports, to the Inquiry learning Space. The app also allows teachers to download the uploaded files.Read more

Category: 
Collaboration apps, General apps
App type: 
OpenSocial gadget

The observation tool allows students to record observations made while preparing, conducting and analyzing experiments. Observations, together with data analyses, can later be retrieved in the conclusion tool as a basis for drawing conclusions....Read more

Category: 
Go-Lab inquiry apps
App type: 
OpenSocial gadget
Conclude ()
Apps in use: 

In the conclusion tool the learners can check whether the results of experiments in the form of data graphs and/or observations support their hypotheses from the hypothesis scratchpad or are relevant for the questions posed in the question...Read more

Category: 
Go-Lab inquiry apps
App type: 
OpenSocial gadget
Try it out! (Discussion)
Apps in use: 

This app allows students to upload files, e.g., assignment and reports, to the Inquiry learning Space. The app also allows teachers to download the uploaded files.Read more

Category: 
Collaboration apps, General apps
App type: 
OpenSocial gadget
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