The video explores how temperature, pressure, and humidity interact to influence weather conditions. It explains the behavior of air molecules with temperature changes, the concept of air pressure, and how humidity affects weather. The video also discusses high and low pressure systems and their impact on weather patterns, concluding with a preview of the next lesson on air masses.

Which of the following are the three major factors affecting weather discussed in the lesson?

• Temperature, Wind, and Precipitation

• Wind, Pressure, and Precipitation

• Temperature, Pressure, and Humidity

• Temperature, Wind, and Humidity

Tags

NGSS.MS-ESS2-5

What happens to air molecules when the air is warmer?

• They move slower and pack together

• They move faster and spread apart

• They become heavier

• They stop moving

Tags

NGSS.MS-PS1-4

How is air pressure defined in the lesson?

• A measure of the air's temperature

• A measure of how heavy the air is

• A measure of how fast the air molecules move

• A measure of the air's humidity

Why can a hot air balloon float?

• Because it has lighter, warmer air inside

• Because it has higher pressure inside

• Because it has cooler air inside

• Because it has more air molecules inside

Tags

NGSS.MS-PS1-4

What increases the humidity in the air?

• Evaporation

• Freezing

• Precipitation

• Condensation

Tags

NGSS.MS-ESS2-4

What does relative humidity describe?

• The pressure of the air

• The temperature of the air

• The total amount of water vapor in the air

• How full the air is with water vapor compared to what it can hold

Tags

NGSS.MS-ESS2-5

On a warm day, what does 50% humidity mean?

• The air is holding 50% of the water vapor it can possibly hold

• The air is holding 50% of the water vapor it had last week

• The air is holding 50% of the water vapor it had yesterday

• The air is holding 50% of the water vapor it will have tomorrow

Tags

NGSS.MS-ESS2-4

What type of weather is usually associated with high pressure?

• Snow and ice

• Cloudy skies and storms

• Clear skies and sunny weather

• Foggy conditions

Tags

NGSS.MS-ESS2-5

Why is low pressure often associated with cloudy skies?

• Because the air is warmer

• Because the air molecules are spread apart, allowing more room for water vapor

• Because there is less room for water vapor

• Because the air molecules are packed tightly together

Tags

NGSS.MS-ESS2-5

How is the concept of warm and cool air described in relation to weather?

• Warm and cool air are absolute terms

• Cool air always has higher pressure than warm air

• Warm and cool air are relative to the surrounding air masses

• Warm air is always lighter than cool air

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6