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Learners (Page 2)

This is a collection of activities that can be carried out by students, in class or at home, in complete autonomy.

Coding

Discover the Solar System with Makey Makey e Scratch

2022-01-13
By Laura Leonardi
On 13 January 2022

Exploring the Solar System has never been so easy and amusing. With this activity, you will realize an interactive panel  in which you will introduce the planets of the Solar System, the Sun, the Moon and the main belt of asteroids, which is placed between Mars and Jupiter. In order to realize this activity, you need: 1 cardboard panel, A1 format 1 black cardboard A1 format 2  Makey Makey kits 1 microphone (even the one of earphones is ok) Scratch   Makey Makey is a kit which can make common-useLEGGI TUTTO

Coding

The adventures of Blu

2022-01-13
By Silvia Casu
On 13 January 2022

Blu is a small, very curious … Extraterrestrial creature, you will call him. Indeed, he comes from a very distant planet, a very small planet, lost in our Galaxy, which you won’t find in any map. Blu gets bored in his bleak little planet, so he decides to leave to explore space, to try and understand the surronding world. So start the adventures of Blu, the guide-character created in 2018 for INAF Astronomical Observatory of Cagliari by the researcher Silvia Casu and the instructional designer Alessia Luca, experienced in new educational technologies, and designed by the skillful pencilLEGGI TUTTO

Coding

Why do rocks sink and ships float?

2022-01-13
By Federico Di Giacomo
On 13 January 2022

We are in Siracusa around the IIIrd century before Christ. A man is immersed in a tub full of water and is taking a relaxing bath. At a certain point, he cries out “Eureka!”. That man was Archimede, a well-known scientist, who had just guessed that fundamental physical law  – later on named after him – which explains why bodies float. The principle of Archimedes states that “the upward buoyant force which is exerted upon a body immersed in a fluid, whether fully or partially, is equal to the weight of the fluidLEGGI TUTTO

Coding - Making

How to discover new planets with the method of transits

2021-10-11
By Federico Di Giacomo
On 11 October 2021

In 1995 two astronomers, Michael Mayor and Didier Queloz, detected around the star 51 Pegasi the first extrasolar planet, 51 Pegasi b. This is a giant gaseous planet, with dimensions similar to Jupiter, orbiting around a Sun-like star. Sofar, almost 4000 extrasolar planet have been discovered, and their number is costantly increasing. The refinement of observational methods and the development of space missions make the search for exoplanets – in particular of those which might have suitable conditions for hosting forms of life – one of the most exciting topics of astronomy. Most extrasolar planest weLEGGI TUTTO

Coding

Planetary motion according to Ptolemy’s model

2021-04-03
By Rino Bandiera
On 3 April 2021

In ancient times it was already known that, unlike the Sun and the Moon, planets trace out complex motions in comparison with stars in the sky (not by chance, the word “pianet”, from the Greek, means “errant”). Even their direction of motion seems to be reversed, for a certain time, and then its direction is restored (apparent retrograde motion). That is why the  geocentric models, whose highest expression will be Ptolemy’s model, had to introduce various corrections to the originary idea, according to which planets simply orbit along circular trajectories whoseLEGGI TUTTO

Coding

Supernova Remnant Cassiopeia A

2021-03-28
By Laura Leonardi
On 28 March 2021

High-mass starts end their life with catastrophic explosions known as Supernovae (SN). What is left of these dramatic space explosions are called Supernova Remnants (SNR), composed of dust and gas. Cassiopeia A  is one of the most known and studied Supernovae of our Galaxy. Cassiopeia originated from an explosion occurred about 11.000 years ago. Only recently did its ligh reach the Earth. Indeed, nowadays we observe the Supernova Remnant as it appeared about 350 years after the explosion of the Supernova. Supernovae explosions are very important for the evolution ofLEGGI TUTTO

Coding - Making

The Constellations with Arduino

2021-03-28
By Federico Di Giacomo
On 28 March 2021

Through this activity, you will be able to realize and light up your favourite constellation with Arduino. In order to reach this goal, we will use Arduino UNO, an hardware platform used to build up projects of robotics, electronic and automation, on which a software (in C language)  is installed, so as to allow us to check a series of sensors connected to the card itself, and interact with them. Over and beyond the Arduino card, we will need a series of leds of different colour – which will represent the stars ofLEGGI TUTTO

Coding - Making

Induced Electromotive Force With Arduino

2021-03-28
By Federico Di Giacomo
On 28 March 2021

Through this activity, you will be able to discover how the variation of a magnetic field may produce an electric current, just as in the dynamo of a bycicle. To this aim, we shall use Arduino UNO, an hardware platform used in order to build projects of robotics, electronics and automation, on which we can upload a software (in C language), which will enable us to check a series of sensors connected to the card itself, and interact with them. In this project, Arduino will exclusively act as voltmeter o, allowing us to measureLEGGI TUTTO

Coding

Looking for extraterrestrial signals

2021-01-14
By Rachele Toniolo
On 14 January 2021

In order to go looking for intelligent life forms in the Universe, astronomers have developped a scientific programme called SETI (Search for Extra-Terrestrial Intelligence). According to the prerequisites of the programme, if there was such an evolved civilization capable of communicating, probably it would send radio signals, just like we do on the Earth with our mobile phones. Starting from this concept, SETI researchers use radiotelescopes in order to look for artificial extra-terrestrial (ET) signals. A radiotelescope is a telescope which, unlike the classical ones, which observes the invisible, is specializedLEGGI TUTTO

Coding

How many intelligent extraterrestrial civilizations are there in the galaxy?

2021-01-14
By Rachele Toniolo
On 14 January 2021

In order to estimate the number of extraterrestrial civilizations capable of communicating within our Galaxy –  the Milky Way – the astronomers use a mathematical formula called Drake equation e. The name comes from Frank Drake, the US astronomer and astrophysicist who first issued it. In the game we are proposing – realized with Scratch – you can estimate the number of intelligent civilizations in our Galaxy by using a simplified version of this formula. The original formula contains seven terms, whereas here we only have three terms: A: number ofLEGGI TUTTO

Coding - Educational robotics

Let us program Ozobot Evo with OzoBlockly

2021-01-04
By Laura Leonardi
On 4 January 2021

We can realize activities with Ozobot by creating a code from scratch with OzoBlockly – an online interface based on Blockly (a library developed by Google in order to bring young people closer to programming, akin to Scratch) – for either computer or tablet. Always select the Evo setting of OzoBlockly in the upper left corner – if you have Ozobot bit, select the setting bit; the codes will work in a different way –  and select your programming level from 1 to 5. The higher the level, the moreLEGGI TUTTO

Educational robotics

mBot goes to Mars!

2020-12-03
By Maura Sandri
On 3 December 2020

In the occasion of events, at school or during summer camps, we introduce some concepts of educational robotics by using a small educational robot, which can be found in shops  – mBot – and can be programmed by using mBlock (based upon Scratch, plus a library which allows us to act upon the robot). An assembly kit is provided, and it takes about half an hour to put it together. As a general rule, junior secondary school pupils manage to assemble it on their own, from the mechanical components to the elettronic boardLEGGI TUTTO

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By the INAF innovative teaching group. Translations into English, French, and German are by Giuliana Giobbi.

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