Shamrock Prerna School

II – Unit Test

Class – III

Subject – S.St

                                                                                                                                                                                                  M.M. – 20

Name – 

A – Fill in the blanks :-                    [ 5 × 1 = 5 ]

1. The ___________also moves around the Sun.

2. The lowest layer of the atmosphere is called __________.

3. The Earth bulges out slightly at the __________.

4. The movement of the Earth on its own axis is called ______________.

5. The Earth’s axis is an _____________ line.

B – Write True or False :-                  [ 5 × 1 = 5 ]

1. When we see an object moving away from us towards the horizon it looks smaller in size.

2. The movement of the Earth on its axis is called revolution.

3. Stratosphere is above troposphere.

4. The temperature of places fall on and near the equator is very high.

5. The hottest regions of the Earth are at the poles.

C – Answer in one word :-                [ 3 × 1 = 3 ]

1. What is the upper part of the equator called ?

2. How many hours does the Earth take to complete 1 rotation?

3. What is the layer above the troposphere called?

D – Write the meaning of the following words :- [ 2 × 1½ = 3 ]

1. spinning –

2. hemisphere –

E – Answer the following questions :- ( any two )                      [ 2 × 2 = 4 ]

Q1. What causes day and night?

Q2. How do we get seasons?

Q3. Why are the polar regions the coldest part of the earth?

Q4. How is stratosphere important for us?