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Test: Air and Water - 1


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10 Questions MCQ Test Science for Class 3 | Test: Air and Water - 1

Test: Air and Water - 1 for Class 3 2022 is part of Science for Class 3 preparation. The Test: Air and Water - 1 questions and answers have been prepared according to the Class 3 exam syllabus.The Test: Air and Water - 1 MCQs are made for Class 3 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Air and Water - 1 below.
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Test: Air and Water - 1 - Question 1

The burning of fire needs

Detailed Solution for Test: Air and Water - 1 - Question 1

The burning of fire needs oxygen.

Test: Air and Water - 1 - Question 2

Which of the following is NOT true regarding the properties of air? 

Detailed Solution for Test: Air and Water - 1 - Question 2

Air is a matter. It has mass.

Test: Air and Water - 1 - Question 3

When Suresh blew air into a balloon it expanded. This shows that

Detailed Solution for Test: Air and Water - 1 - Question 3

Air occupies space.

Test: Air and Water - 1 - Question 4

Asma took two balloons. She blew air with mouth in one balloon and she filled another balloon with the vapours of boiling water. She released the two balloons and observed that the balloon with the hot vapours rose higher than the other balloon. What did she learn from this experiment?

Detailed Solution for Test: Air and Water - 1 - Question 4

Hot air has less weight.

Test: Air and Water - 1 - Question 5

When we blow air into a balloon it expands. What is the reason?

Detailed Solution for Test: Air and Water - 1 - Question 5

Air exerts pressure on the walls of the balloon and it expands.

Test: Air and Water - 1 - Question 6

Which of the following does NOT disturb the balance of gases in the air?

Detailed Solution for Test: Air and Water - 1 - Question 6

Trees and plants maintain the balance of gases in the air.

Test: Air and Water - 1 - Question 7

Which of the following changes weather?

Detailed Solution for Test: Air and Water - 1 - Question 7

The sun changes the weather conditions.

Test: Air and Water - 1 - Question 8

Read the data given below and answer questions 8 and 9. Jasmine conducted an experiment. She took two bowls of sand and water and placed them in sunlight. After an hour she noted the temperatures. Then she took both into her house and placed them where there was no light. She noted the temperatures again after one hour and made the following observations.

What is the increase in the temperature of the sand after being placed for an hour in the sunlight?

Detailed Solution for Test: Air and Water - 1 - Question 8

There is an increase of 6ºC in the temperature of the sand after being placed for an hour in sunlight.

Test: Air and Water - 1 - Question 9

Read the data given below and answer questions 8 and 9. Jasmine conducted an experiment. She took two bowls of sand and water and placed them in sunlight. After an hour she noted the temperatures. Then she took both into her house and placed them where there was no light. She noted the temperatures again after one hour and made the following observations.

After being placed in sunlight for an hour, the air present above the sand bowl is ____ than the air above the water bowl.

Detailed Solution for Test: Air and Water - 1 - Question 9

After being placed in sunlight for an hour, the air present above the sand bowl is warmer than the air above the water bowl. Because the air above the sand gets warmer than the air above the water.

Test: Air and Water - 1 - Question 10

Answer questions 10 based on the following figure.  

Detailed Solution for Test: Air and Water - 1 - Question 10

Arrow 1 represents land breeze.

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