Answer for question #1. - Earth is surrounded by a blanket of air called the atmosphere The weather is the state of the atmosphere at a given time and place. In the Observing Weather (Customary) Gizmo™, you will record and compare weather conditions in several locations.
Answer for question #2. - Weather Instruments & Their Uses. Thermometers, for instance, come in traditional liquid-in-glass forms and newer electronic forms, but both measure temperature in Celsius and Fahrenheit. Other instruments measure aspects of weather like rainfall, pressure, humidity and wind speed.
