Download Chapter 16 Review Name Understanding the Weather Hour ______

Chapter 16 Review
Name _______________________________
Understanding the Weather
Hour ___________ Score _____________
__________1. The condition of the atmosphere at a particular time and place is called the _____ .
__________2. The water vapor or moisture in the air is called ___ .
__________3. The ____ is the temperature to which air must be cooled to be completely saturated.
_______%_4. If the air is holding as much water vapor as it can, what is the relative humidity?
__________5. A ____ is made of millions of tiny water droplets or ice crystals.
__________6. During a thunderstorm, the clouds making the rain and lightning are called ____.
__________7. ______ is water falling in either solid or liquid form.
__________8. Changes in the weather are caused by the movement of ___ ____.
__________9. When a cold air mass meets a warm air mass, a ___ front forms.
__________10. The boundary between two air masses is called a ____.
__________11. A large electrical discharge that occurs between two oppositely charged surfaces or areas is __.
__________12. Lightning occurs with all _____ .
__________13. The sound we hear from the rapid expansion of air along a lightning strike is called ____.
__________14. A ____ is a large, rotating tropical weather system with wind speeds of at least 74 mph.
__________15. A ___ is a small, violent, rotating column of air that has high wind speeds and touches the ground.
__________16. Hurricanes generally form over a warm, tropical ____ .
__________17. At the center of a hurricane is the ___ .
__________18. A weather _____ is a prediction of future weather conditions.
__________19. A ______ is a tool used to measure the air temperature.
__________20. Lines called _____ connect points on the map with equal air pressure.
__________21. A ______ is an instrument used to measure the air pressure.
__________22. When the temperature increases, the liquid ____ up the thermometer tube.
__________23. _____ orbiting the Earth also provide images and can make measurements.
__________24. The most powerful storm on Earth is the ____ because it covers such a large area.
__________25. There are ___ different kinds of fronts.