30 Examples of Zero Conditional Sentences

The zero conditional is used to talk about facts or situations that are always true if something happens. It often involves general truths, scientific facts, or situations that are always the same. The structure usually involves if + present simple, then + present simple.

Examples of Zero Conditional Sentences

Here are the 30 example sentences demonstrating the zero conditional:

1. If you heat water to 100°C, it boils.
2. When it rains, the grass gets wet.
3. If you mix red and blue, you get purple.
4. Plants die if they don’t get enough water.
5. If you touch fire, you get burned.
6. When the sun goes down, it gets dark.
7. If it snows, the roads become slippery.
8. Birds sing if they are happy.
9. If you press that button, the light turns on.
10. Ice melts if you leave it out in the sun.
11. If you cut an apple, it turns brown.
12. When cats are scared, they hiss.
13. If you drop a ball, it falls.
14. Water freezes if the temperature goes below 0°C.
15. If you eat too much, you feel full.
16. When you turn the key, the car starts.
17. If you don’t water flowers, they wilt.
18. The sky turns red when the sun sets.
19. If you save money, you become wealthier.
20. When you breathe in oxygen, your cells use it for energy.
21. If you rub your eyes, they become red.
22. Salt dissolves in water if you stir it.
23. If you stand in the rain, you get wet.
24. When you smile, people often smile back.
25. If iron is exposed to moisture, it rusts.
26. When you plant seeds, they grow into plants.
27. If you take care of your tools, they last longer.
28. When you boil an egg, it hardens.
29. If you speak kindly to others, they respond positively.
30. When the wind blows, leaves rustle.