Feb 5, 2026 | Big Ideia 8, OAE, Resource
How big is the Sun? This activity uses some simple optics to project an image of our star by building and using a pinhole camera, and some simple geometry to determine the size of the Sun. NOTE: This is the English translation of an original activity proposed by NAEC...
Feb 5, 2026 | OAE, Resource
Using everyday objects such as streetlights, students can understand how astronomers use astronomical standard candles to measure astronomical distances, as well as their possible error sources. This practical activity also introduces students to digital image...
Feb 5, 2026 | Big Ideia 8, OAE, Resource
The Sun is the nearest star and generates great interest in children and young people. Knowing its structure is important to understand how it works, its influence on our planet and to understand more about other stars in the Universe. In this activity, by building a...
Feb 5, 2026 | Big Ideia 6, OAE, Resource
In this activity, students play role of scientists to explore the possible existence of other components of the Universe besides the normal matter. As they understand how dark matter and dark energy are discovered, they also realize that science understanding can...
Feb 5, 2026 | Big Ideia 2, OAE, Resource
In this activity, students make a mobile model of the Sun, Earth and Moon system and play a memory game with cards. They learn that the Earth revolves around the Sun and the Moon around the Earth. Students learn that the Sun is a star and some additional...
Feb 5, 2026 | Big Ideia 8, OAE, Resource
It is very dangerous to look directly at the Sun, even briefly! Let’s learn how to build a safe Sun viewer using cheap household items. At the end of this activity, you will have built a cheap but effective pinhole camera from a cardboard box to observe the Sun...
