Term 3 Pg. 104 - 113 Flashcards
What does temperature tell us?
How hot or cold it is.
What is temperature measured in?
Celsius (C)
What is the job of a thermometer?
To measure temperature
At what temperature does water boil?
100 Degrees Celsius
At what temperature does water freeze?
0 Degrees Celsius
What is the average of a healthy person?
37 Degrees Celsius
What is wind?
Wind is moving air.
What happens when hot air becomes lighter and rises?
Colder air blows in to take its place.
What is wind direction measured with?
A wind vane or wind sock.
What is wind speed measured with?
Anemometer
What are winds named according to?
From where they blow.
What is wind speed measured in?
Knots (Knt)
What is a knot?
A ‘knot’ is a nautical mile per hour.
What is a cloud?
A cloud is a collection of very tiny droplets of water or ice crystals.
What rises when it gets warm?
Water vapour.
What symbol means 'scattered cloud' ? A. Full black circle B. White circle with thin line C. Half black half white circle D. Three quarters black circle E. Quarter black circle F. Full white circle
E
\_\_\_\_\_ living things depend on water to survive. A. All B. Some C. Little D. None
A
What does rain do to the air?
It cleans the air from dust and pollution particles.
What is used to measure the amount of rain that fell?
A rain gauge.
What do we measure rainfall?
Millimeters (mm)
What is precipitation?
Is when rain, hail or snow fall form the atmosphere.
How does snow form?
Snow is formed when tiny ice crystals stick together.
How does hail form?
Hail is usually formed in large thunder clouds when balls of ice are continuously pulled far up into the colder parts of the atmosphere. As the ice goes up it freezes into a bigger ball. Finally it gets very heavy and falls to the ground.
How does weather affect people's lives? A. Wear, emotion, jobs, happiness B. Houses, emotion, sport, happiness C. Agriculture, emotions, wear, sport D. Agriculture, wear, jobs, houses
D
