12. Higher order thinking questions I

1. Soda bottle bursts sometimes when it is opened during summer. Why?

 

OxygenNitrogenCarbon dioxide gas is dissolved in water under pressure in a soda bottle. The gas in the bottle expands. Hence, the pressuretemperature inside the bottle decreasesincreases. Thus, the bottle may burst in hot summer.

2. It is said that sleeping beneath the tree during night is bad for health. What is the reason?

 

During the night, trees absorb carbon dioxideoxygen and release carbon dioxideoxygen. So, anyone who sleeps under the tree will not get oxygen, which can cause breathing problems, suffocation, etc.