Question

5. What are transparent, translucent and opaque objects? Define.

6. How is a compass used to find directions? Draw a neat diagram of compass.

7. (a) Which of the following statements is “true” ?

(1) Water vapour is present in air only during the monsoon.

(2) Water evaporates into air from oceans, rivers and lakes but not from the soil.

(3) The evaporation of water takes place only in sunlight.

(4) Water vapours condenses to form tiny droplets of water in the upper layers of air where it is

cooler.

(b) Fill in the blanks;

(1) No rainfall for a year or more may lead to _________________ in that region.

(2) Excessive rains may cause _________________.

8. What are the properties of air?​

Answer 1

Explanation:

ट्रांसपेरेंट होते हैं जिनके आरपार देख सकते हैं ट्रांसलूसेंट वह होते हैं जिनके आरपार धुंधला दिखता है और ओपेक वह होते हैं जिनके आर पार नहीं दिखता है

Answer 2

Answer:

trasprent object - a object wich help us to see