Class 4 Science Chapter 8 Test 1

Who provides us information about rain, wind or storm etc. in advance?

Annual rotation of the Earth around the sun and the tilt of the Earth on its axis are responsible for the changes in the ________.

The people related to the study of weather conditions are called_______.

¬¬¬_____ is the instrument used for the measurement of temperature of air.

_____ is the instrument used to measure the speed and direction of wind.

Weather is described in terms of:

_____ is the instrument used for the measurement of the amount of the rain.

The movement of _______ in the upper atmosphere of a region helps us to predict the change in weather conditions for the next few days.

The average weather conditions of an area are called _______.

The general conditions of an area are called _______.

The study of weather conditions is called ________

_______ describes the general and long-lasting weather conditions of an area.

Short duration conditions of an environment are called __________.

The maximum rain in one day in Pakistan was recorded on 23rd July 2001 in Islamabad is________.