meteorologists: scientists who study the weather
precipitation: the release of water from the clouds onto the Earth in the form of rain, snow, hail or sleet
humidity: the amount of water vapour present in the atmosphere
okta: the unit used to measure cloud-cover
isohels: lines on maps connecting places with the same duration of sunshine
thermograph: a self-recording instrument that records the temperature on a graph
pluviograph: a self-recording instrument linked to the modern rain gauge that records the rainfall
isotherms: lines drawn on maps connecting all places that have the same temperature
isohyets: lines that connect places that have the same amount of rainfall
isobars: lines that connect all places that have the same atmospheric pressure
Fill in the blanks.
- Scientists who study the weather are called ____________________.
- The most common form of precipitation is _____________________.
- When temperature _______________________, pressure falls.
- Winds always blow from areas of ______________________ pressure to areas of _______________ pressure.
- Lines on maps that connect places with the same duration of sunshine are called ______________________.
Tick the sentences that are true. Correct the others.
- The weather of a place remains constant for at least 35 years.
- The amount of sunshine received is an important element of climate for places that lie along the Equator.
- Temperature and humidity are inversely proportional.
- Differences in atmospheric pressure generate winds.
- Winds are named after the direction in which they blow.
- True
- True
- False
- True
- False
What is weather?
Weather is the state of the atmosphere at a particular place at any given point in time. It can change from day to day or even from hour to hour.
How do weather forecasts help us?
How do meteorologists study weather?






















































































