Abstract
Forming the conditions for developing scientific literacy is one of the goals of contemporary education. The another goal is to encourage pupils' interest in science.
The contribution presents the project activity designed for pupils on the third grade of elementary school. The "projectivity" lay in the fact that pupils themselves chose which of the activities presented they would like to try and present it to their classmates.
The activities from which pupils chose were chosen out of respect to the safety of pupils, the possibility of realisation in the classroom during the two lessons and a presence of abundant representation of materials from pupils' everyday life. Almost every aktivity includes the baking soda, as the title implies.
Five activities of the eleven were the most repeated in pupils' selection. The pupils were divided into five working groups because of that.
The outcomes of the project were to introduce the activity to their classmates and the pupils painted pictures related to their activities. The pupils carried out the activities of an experimental nature, they observed and verified their assumptions.
These activities aimed to encourage pupils' interest in science subjects in their higher education.