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D - Science - Unit 7
Weather Practice Test - Part 1
| Question | Answer |
|---|---|
| The process of liquid water changing to gas is called _______. | evaporation |
| Which of the following is NOT a type of condensation? fog, cloud, snow or dew | snow |
| High clouds made of ice crystals are called _______. | cirrus clouds |
| Strong updrafts within a thunderhead can produce _______. | hail |
| A maritime tropical air mass contains _______. | warm, wet air |
| A front that forms when a warm air mass is trapped between cold air masses and forced to rise is called an _______. | occluded front |
| A severe storm that forms as a rapidly rotating funnel cloud is called a _______. | tornado |
| The lines on a weather map connecting points of equal atmospheric pressure are called _______. | isobars |
| To measure air pressure most accurately, you should use a _______. | mercury barometer |
| Isobars indicate _______. | pressure |
| Which of the following is NOT used to collect weather-related data from the upper atmosphere? weather balloon, Doppler radar, psychrometer or orbital satellite | psychrometer |
| Large thunderhead clouds that produce precipitation and unstable atmospheric conditions lead to the formation of lightning and thunder from these towering _______ clouds. | cumulonimbus |
| Air's ability to hold water vapor increases as _______ increases. | temperature |
| Which of the following causes the most damage during a hurricane? water spouts, high winds, lightning or storm surges | storm surges |
| Lightning is seen before thunder is heard because _______. | light travels faster than sound |
| What does condensation form? | clouds |
| _______ occurs when rain, snow, sleet, or hail falls from the clouds onto the Earth's surface. | precipitation |
| _______ occurs when water vapor cools and changes back into liquid droplets. | condensation |
| _______ occurs when liquid water changes into water vapor. | evaporation |
| _______ is the amount of water vapor or moisture in the air. | humidity |
| _______ is the amount of moisture the air contains compared with the maximum amount it can hold at a particular temperature. | relative humidity |
| Suppose that 1 m3 of air at a certain temperature can hold 30 g of water vapor. However, you know that the air actually contains 15 g of water vapor. What is the relative humidity? | 50 percent |
| Which device measures relative humidity? anemometer, barometer, psychrometer or thermometer | psychrometer |
| Suppose that I m3 of air at a certain temperature can hold 20 g of water vapor. However, you know that the air actually contains 5 g of water vapor. What is the relative humidity? | 25 percent |
| Before condensation can occur, what must the relative humidity be? | 100 percent |
| A _______ air mass forms over the North Pacific Ocean and affects the Pacific Coast. | maritime polar (mP) |
Created by:
lprinke
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