Which of the following is the best term for “average weather conditions for a region over a long period of time”?

• climate

• weather

• weather patterns

• temperature

Which of these is the best description of an interaction between the hydrosphere and biosphere?

• Rivers carving through landforms

• Plants absorbing water through their roots

• Animals drinking from a pond

• Glaciers carve out valleys as they move across landforms

What variables are generally used to describe the weather?

• the locations of evaporation, condensation, precipitation, and transpiration in the area

• percentage of the nitrogen, oxygen, argon, and carbon dioxide gases in the atmosphere

• the altitudes of stratus clouds, cumulus clouds and cirrus clouds throughout the day

• air temperature, air pressure, wind speed and direction, humidity, cloud cover, and precipitation

Water vapor is a gas. We cannot see it. But we can feel its presence on hot days when our skin feels sticky and sweaty, or when our hair is extra curly or frizzy. What word describes how much water vapor is present in the air?

• cloud cover

• humidity

• dew point

• air pressure

Which of the following is the best description of what caused the ground to become wet?

• The air temperature reached its dew point.

• Water vapor in the air caused it to precipitate.

• The temperature caused the air to become too heavy and it evaporated.

• Water in the air caused the relative humidity to fall below 50%.

Which of the following statements is the best description of the meaning of weather?

• wind speed and the direction from which it is blowing

• atmospheric conditions that last several months to years

• types of clouds and the amount of precipitation that occurs

• atmospheric conditions that last from a few hours to several days

Clouds and fog are basically the same except that one forms near the ground, and one forms higher up in the atmosphere. Which of the following statements is true about clouds and fog?

• The temperature of fog is colder than the temperature of clouds.

• Both form when saturated air reaches its dew point and water vapor condenses.

• Both form when the humidity of the air is the same as the actual air temperature.

• Fog forms from more water vapor and heavier water droplets.

Which of the following statements correctly describes the meaning of climate?

• wind speed and the direction from which it is blowing

• types of clouds and the amount of precipitation that occurs

• weather patterns observed over several years

• atmospheric conditions that last from a few hours to several days

If the wind blows from south to north, how would you describe the wind direction?

• South or southerly wind

• North or northerly wind

True or False. The wind blowing from land towards the sea is a land breeze.

• True

• False