Introduction to Weather

What is Weather?

• Weather is the condition of the atmosphere (sky) at a certain time and place.

• Meteorologists study the weather and make predictions using many instruments (tools).

Multiple Choice

The long term weather patterns of a place is referred to as...

• Weather

• Zone

• Climate

• Polar region

Multiple Choice

Which best describes CLIMATE?

• Summers are usually hot and dry

• It rained last week

• Yesterday it was cold and windy

Multiple Choice

Example of weather or climate...

There will be thunderstorms tomorrow in the afternoon

• Cimate

• Weather

Multiple Choice

What is the main difference between climate and weather?

• Climate describes short-term conditions and weather describes long-term conditions.

• Climate can change and weather cannot.

• Climate describes long-term conditions and weather describes short-term conditions.

• Weather can change but climate cannot.

Multiple Choice

According to this weather forecast, what day will be windy?

• Tuesday

• Thursday

• Friday

• Sunday

Temperature

• Temperature is how hot or cold it is.

• Meteorologists use thermometers to measure temperature.

• Most thermometers have a liquid inside that can expand when it is hot, and contract (shrinks) when its cold.

Multiple Choice

Which thermometers temperature is about  25° Celcius?

• Blue
• Green
• Blue
• Blue and Green

Multiple Choice

What is the temperature on this thermometer in Celsius ?

•  32° Fahrenheit       
•  0° Celsius       
•  0° Fahrenheit       
•  40° Fahrenheit       

Multiple Choice

What is the temperature on this thermometer?

•  85° Fahrenheit       
•  80° Fahrenheit       
•  90° Fahrenheit       
•  95° Fahrenheit       

Precipitation

• Precipitation is the water that falls from the sky.

• This can be different forms: hail, snow, rain, sleet.

• Meteorologists use rain gauges to measure the amount of water that falls.

Multiple Choice

Wow! It was a huge storm last night. This tool is showing 10 cm.

• thermometer

• anemometer

• hydrometer

• rain gauge

Multiple Choice

A student recorded 15 °C in their notebook. What tool did they use to make this observation?

• thermometer

• barometer

• rain gauge

• anemometer

Wind Direction

• Meteorologists use tools to measure two properties of wind: Speed & Direction

• Weather Vane or Wind Sock: shows wind direction

• The arrow and sock tip points in the direction the wind is blowing.

Wind Speed

• Meteorologists use tools to measure two properties of wind: Speed & Direction

• An Anemometer is used to measure how fast the wind blows.

• The faster the cups spin, the faster the wind is blowing.

Air Pressure

• Air pressure is the pressure a column of air above a certain location exerts on Earth's Surface.

• How hard the air is pushing down.

• Meteorologists use a barometer to measure air pressure.

Multiple Choice

This weather instrument is an...

• wind vane
• anemometer
• barometer
• thermometer

Multiple Choice

What does a barometer measure? 

• measures high and low pressure in the air
• measures humidity in the air
• measures speed of the wind 
• measures the amount of rain that has fallen

Multiple Choice

What is the name the name of this weather tool? 

• Rain Gauge
• Telescope
• Wind Vane
• Anemometer

Multiple Choice

What tool is used to measure wind speed? 

• Wind Vane
• Anemometer
• Thermometer
• Barometer