Writting 1

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

If it ________________ (rain), the ground ________________ (get) wet.

1. If you ________________ (heat) ice, it ________________ (melt) into water.

1. If you ________________ (apply) heat to ice, it ________________ (melt).

1. If the temperature ________________ (drop) below freezing, water ________________ (freeze).

1. If you ________________ (add) sugar to tea, it ________________ (sweeten).

If plants ________________ (not receive) sunlight, they ________________ (not photosynthesize effectively).

1. If the traffic light ________________ (be) red, you ________________ (must stop).

1. If you ________________ (turn off) the lights, the room ________________ (become) dark.

1. If you ________________ (not water) plants, they ________________ (die).