How did people communicate in the past? How do they communicate now?
In the past, people wrote letters. Nowadays, they send emails and text messages.
How was school in the past compared to today?
In the past, students sat in rows and classrooms were very traditional. Today, classrooms are more interactive and use technology.
How did people study or do research in the past? What about now?
In the past, people used books and libraries to study. Nowadays, people use the internet and digital tools.