27
Lesson 27 of 84 · Past, Present, and Future
Going to the Doctor Then and Now
Music has changed too. People used to listen to music on phonographs and radios. Now we can stream music on phones and tablets.
Key Facts
1
Some things stay the same through history.
2
Technology keeps changing how we live.
3
Life has changed a lot over time.
Check Your Understanding
Question 1
1 of 2What is a timeline?