2. If i stay out late, my parents will worry
3. If you freeze water, it turns into ice
4. If you leave meat in the oven for a long time, it burns
5. If you mix blue and yellow, you'll get green
6. If water boils, it produces stream
7. If you lie in the sun for too long, you skin turns red.
8. If the temperature falls below 0°, water turns into ice.
