If you *mix* (mix) red and blue, you get purple.

When water *reaches* (reach) 100 degrees Celsius, it boils.

If you *press* (press) that button, the machine turns on.

Cats *chase* (chase) mice when they see them.

If it *rains* (rain) on the sea, the water level doesn’t change.

*Add* (Add) salt to the water and it boils at a higher temperature.

If you *cut* (cut) an apple and leave it outside, it turns brown.

Ice *melts* (melt) if you leave it out in the sun.

Plants *grow* (grow) if they get enough sunlight.

When you *heat* (heat) butter, it melts.

If steel *is* (be) exposed to moisture, it rusts.

*Laugh* (Laugh) and the world laughs with you.

When an octopus *is* (be) scared, it releases ink.

If you *freeze* (freeze) water, it turns into ice.

When you *add* (add) sugar to tea, it becomes sweet.

Övning 2: Komplettera meningarna med Zero Conditional

If humans *go* (go) without water, they become dehydrated.

When you *multiply* (multiply) a number by zero, the result is zero.

If you *don’t eat* (not eat) for a long time, you get hungry.

*Turn* (Turn) the key and the car starts.

If it *doesn’t rain* (not rain), the grass dries out.

When you *push* (push) a domino, the others fall down.

If birds *see* (see) danger, they fly away.

When you *breathe* (breathe) in oxygen, your cells use it for energy.

If you *don’t sleep* (not sleep) enough, you feel tired.

*Speak* (Speak) clearly and people understand you.

If the sun *sets* (set), it gets dark.

When ants *find* (find) sugar, they gather it.

If you *do* (do) exercise, you get stronger.

*Put* (Put) a seed in the soil and it may grow into a plant.

When you *mix* (mix) vinegar and baking soda, it creates bubbles.