Weather

WEATHER

the day-to-day condition of the
atmosphere

CLIMATE

the prevailing weather conditions for a
longer period of time

humidity

the amount of water vapor in the air
warm air can hold more water vapor than
cold air
low humidity: evaporation is faster
saturated air: air has reached the maximum
amount of water that it can hold
high humidity: water evaporates slowly

types of clouds

stratus clouds
cumulus clouds
cirrus clouds
nimbus clouds

stratus clouds

cumulus clouds

cirrus clouds

comes from the Latin word that means "a
tuft or curl of hair"
the most common among the high clouds
composed of ice crystals; thin, wispy clouds
that look like feathers
indicate fair to pleasant weather, but weather
change might occur within 24 hours

nimbus clouds

comes from the Latin word that means "rain"
characterized by uniform greyness, extending
over the entire sky in seasons of continued
rain
look dark and heavy

against hot weather

3. Avoid long exposure to the sun. Use protection such
as umbrella and sunscreen.

against rainy or cold weather

2. If you get wet by heavy rains, dry yourself and
change clothes as soon as possible.

5. Keep your immune system strong. Eat a balanced
diet, take vitamin C supplements, and get plenty of
rest and regular exercise.

against rainy or cold weather

wind

moving air
caused by the differences in air
pressure
the greater the differences in pressure,
the faster the air moves

cirrus clouds

Multiple Choice

Weather changes from time to time.

• True

• False

• Maybe

Multiple Choice

Which scientist studies the weather?

• Astronomist

• Meteorologist

• Geophysicist

• Weather Forecaster

smog

Multiple Choice

What type of weather is shown here?

• Sunny

• Cloudy

• Rainy

• Windy

Multiple Choice

Which is NOT one of the weather elements?

• Air Pressure

• Body Temperature

• Humidity

• Precipitation

thermometer

measures air
temperature

Multiple Choice

Why does warm air rises and cold air goes down?

• Warm air is heavier than cold air.

• Warm air is lighter than cold air.

• Warm air is attracted by the sun.

Multiple Choice

Which instrument measures how fast the wind blows?

• anemometer

• wind vane

• thermometer

• barometer

Multiple Choice

A wind is blowing from the northeast toward the southwest. How is the wind named?

• northeastern wind

• southwestern wind

Multiple Choice

What does low air pressure mean?

• bad weather

• good weather

Multiple Choice

Which statement about clouds is TRUE?

• Clouds are smoke particles in the atmosphere.

• Clouds are frozen water vapor.

• Clouds are water droplets suspended in the atmosphere.

• Clouds are steam from the oceans.

Multiple Choice

Which cloud type look like wispy feathers high up in the sky?

• stratus clouds

• cirrus clouds

• cumulus clouds

• nimbus clouds

Draw

Draw the cirrus, stratus, and cumulus clouds. Label them.

Multiple Choice

Which is TRUE about FOG?

• Fog is water droplets on the leaves of plants.

• Fog is cloud combined with smoke.

• Fog is made of cloud formed close to the ground.

Poll

Which is your most favorite form of precipitation?

• rain

• snow

• hail or sleet

• dew

• frost

Multiple Choice

After a rainfall, the amount of rainwater collected by a rain gauge is measured in centimeters (cm).

• True

• False

Multiple Choice

Which instrument helps determine the wind direction?

• vane

• anemometer

• hygrometer

• barometer

Poll

What is your favorite weather?

• sunny weather

• rainy weather

• windy weather

• cloudy weather

Multiple Choice

If there are no weather instruments, but you like to know the wind direction and speed, which is the best thing to do?

• Observe the animals around you.

• Observe the people.

• Observe the trees and plants.

Multiple Choice

What do we call a report that tells about the weather?

• weather horoscope

• weather forecast

• weather elements

Multiple Choice

Based on this weather forecast, which day does Cutud, San Fernando have the warmest temperature?

• Tuesday

• Wednesday

• Thursday

• Friday