Science History Timeline
Explore a timeline of important scientific discoveries and inventions suitable for 3rd graders.
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Topics
Science History Timeline
Name:
Date:
Score:
Read the information about famous scientific discoveries and answer the questions below.
A timeline shows events in the order that they happened. It helps us understand history better. Let's look at some important moments in science!
1. A shows events in the order they happened.
2. Understanding the order of events helps us learn about .
Here are some important science events:
• 1665: Robert Hooke discovers cells.
• 1783: The Montgolfier brothers invent the hot air balloon.
• 1879: Thomas Edison invents the light bulb.
• 1928: Alexander Fleming discovers penicillin.
1. What did Robert Hooke discover in 1665?
The light bulb
Cells
Penicillin
Hot air balloon
2. Which invention came first?
Light bulb
Penicillin
Hot air balloon
Discovery of cells
Number the events in the correct order from 1 (earliest) to 4 (latest).
Alexander Fleming discovers penicillin.
Robert Hooke discovers cells.
Thomas Edison invents the light bulb.
The Montgolfier brothers invent the hot air balloon.
1. Why is it helpful to put events on a timeline?
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