Class 4 Exam > Class 4 Notes > Science for Class 4 > Worksheet: Weather, Water and Air - 1
Weather, Water and Air - 1 Class 4 Worksheet Science
Q1: Multiple Choice Questions (MCQs).
(i) Which of these does not occur during the water cycle?
(a) Evaporation
(b) Condensation
(c) Pollution
(d) Precipitation
(ii) Water vapour condensed to form ice crystals are called
(a) dew
(b) snow
(c) mist
(d) rain
(iii) Which of the following factors is responsible for weather changes?
(a) Sun
(b) Rotation of earth
(c) Revolution of earth around the sun
(d) All of these
(iv) What kind of weather is the most uncomfortable?
(a) Hot and humid
(b) Hot and dry
(c) Cool and humid
(d) Cool and dry
Q2: True or False.
(i) Hot air is heavier than cold air.
(ii) Temperature is higher on mountains.
(iii) Weather changes are mainly caused by the heat of the sun.
(iv) When clouds are formed close to the ground it is called fog.
Q3: Name the following.
(i) Water vapour cooling to form water_______
(ii) Wind blowing from sea to land _______
(iii) It forms on plants in cold nights _______
Q4: Fill in the blanks.
(i) The tiny droplets of water present in the air is called _______
(ii) The processes of evaporation and condensation in the nature result in _______
(iii) The water vapour upon cooling forms _______
Q5: Answer the following questions in brief.
(i) What are the factors that affect evaporation in the nature?
(ii) Define atmosphere.
(iii) What is water cycle?
Q6: Long answer type questions.
(i) Why does wind blow from the land to the sea during the day?
(ii) Why do you feel very uncomfortable in hot and humid weather?
You can find Worksheets Solutions here: Worksheet Solutions: Weather, Water and Air - 1
The document Weather, Water and Air - 1 Class 4 Worksheet Science is a part of the Class 4 Course Science for Class 4.
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FAQs on Weather, Water and Air - 1 Class 4 Worksheet Science
| 1. What are the three states of water? |  |
Ans. The three states of water are solid, liquid, and gas.
| 2. How does temperature affect the states of water? | |
Ans. Temperature affects the states of water. When the temperature is below 0 degrees Celsius, water freezes and becomes a solid. When the temperature is between 0 and 100 degrees Celsius, water remains in its liquid state. When the temperature is above 100 degrees Celsius, water boils and turns into a gas.
| 3. What is the water cycle? | |
Ans. The water cycle is the continuous movement of water on, above, and below the Earth's surface. It involves processes such as evaporation, condensation, precipitation, and runoff.
| 4. How does air pressure affect weather? | |
Ans. Air pressure plays a significant role in determining weather conditions. High-pressure systems generally bring clear and fair weather, while low-pressure systems are associated with clouds, precipitation, and stormy weather.
| 5. What are the main components of air? | |
Ans. The main components of air are nitrogen (78%), oxygen (21%), and traces of other gases such as carbon dioxide, argon, and water vapor.
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Nov 21, 2024 Last updated |
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