Video lesson · Zero conditional

Scientific Facts

Name: Zero conditional for scientific facts, video lesson
Uploaded: 2026-06-16T06:00:58.674Z
Duration: 48 s
Description: 48-second video: the zero conditional for proven scientific facts, with if meaning when. Example: If you boil water at sea level, it reaches 100°C.

Video explanation · 0:48

The zero conditional expresses scientific facts - objective, proven facts in science. We use zero conditionals for facts, habits, and inevitable results, not hypothetical situations. If = When = Whenever (in zero conditionals, they often mean the same thing).

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