One of the projects students in the 10th grade of Hraunvallaskóli is to learn about the Earth's greenhouse effect. Students receive the following research question at the start of the project "What are greenhouse effects and how do they work? How have the greenhouse effects changed over the past few decades and what impact do these changes have on the environment? " Students work towards predetermined goals, but have free to use there own initiative and ideas for information gathering and presentation of the project. The only requirements are that the submission is electronic.