8^th Grade Science Weather Name:

Matching:

A. Locality B. Meteorologist C. Winter Solstice

D. Summer Solstice E. Equinox F. Pressure

G. Barometer H. Thermometer I. Humidity

J. Wind Chill Factor K. Jet Stream L. Cross-quarter Day

___1. Amount of water vapor in the air.

___2. Longest day of the year; north pole tilted farthest toward sun.

___3. Amount of force exerted on an area.

___4. Apparent drop in temperature due to loss of body heat to the wind.

___5. Place for which a set of weather data is intended to cover.

___6. Instrument for measuring temperature.

___7. Longest night of the year; north pole is tilted farthest from the sun.

___8. Upper atmospheric bulk air currents helping direct tropospheric events

___9. Time when day and night length are equal, twice a year.

___10. Instrument for measuring atmospheric pressure.

___11. Day halfway between a solstice and an equinox.

___12. Someone who studies or predicts the weather.

13. Heat flows from: (a) high temperature areas to low (b) low temperature areas to high

14. The tilt of Earth’s axis causes: (a) Rain (b) Seasons (c) Gravity

15. Area between Earth’s Tropics of Cancer and Capricorn is: (a) tropical (b) temperate (c) polar

16. Now, in the Northern Hemisphere where we live, it is winter. In places south of the equator, such as Australia and parts of Africa and South America, the season right now is:

(a) Spring (b) Summer (c) Fall (d) Winter

17. In Anchorage, Alaska, there is one night a year that the sun does not set. This night is at the start of;

(a) Spring (b) Summer (c) Fall (d) Winter

18. Air moves from areas of : (a) high pressure toward low (b) low pressure toward high

19. Average atmospheric pressure is: (a) 14.7 psi (b) 780 mm Hg (c) 101.3 kPa (d) All of these

20. Atmospheric pressure is greatest: (a) at sea level (b) on the tops of high mountains

21. List 3 things you might find out from a weather forecast map:

1.

2.

3.

22. On the Celsius scale water boils at _____________ and freezes at _________________.

23. On the Fahrenheit scale water boils at _____________ and freezes at _________________.

24. For a summer night in August, the dewpoint is predicted to be 69° F. The low that night is 73° F. Is the grass wet with dew at 6:00 a.m. the next morning?

Convert. Show all work:

25) 77 ° F = ____________° C 26). 10 ° C = _____________ ° F

27. Which will feel hotter to the average person?

(a) 90 ° F at 90 % relative humidity (b) 90 ° F at 10 % relative humidity

28. The first sign of a warm front moving into a locality is usually:

(a) fog (c) high cirrus clouds

(b) snow (d) a rainbow

29. Falling barometric pressure predicts:

(a) Dry, stable weather (b) Changing weather, often with rain or storms

30. Lines connecting areas of equal atmospheric pressures are: (a) isotherms (b) isobars

31. Jet streams influence the time in which our weather patterns repeat themselves. Because the Northern Hemisphere’s jet streams dip farther south in the winter than in the summer, the season with the longest time between repeats of the weather cycle is typically:

(a) Spring (b) Summer (c) Fall (d) Winter

32. Looking at this weather forecast, write a description of what the weather should be for this weekend.

(Paragraph required. 6 points.)