Shamrock Prerna School

Unit Test – I

Class – III

Subject – S.St

                                                                                                                                                                                                  M.M. – 20

A – Tick the correct answer :-                          [ 4 × ½ = 2 ]
1. Comets are huge lumps of _________

• Paper pieces

• Snowy and rocky dust

• Saw dust

2. In the solar system the sun is:

• at the center

• in the corner

• over the wall

3. Several million galaxies make up the:

• earth

• mars

• universe

4. Planets do not have _______ of their own:-

• light

• heat

• light and heat

B – Fill in the blanks:-                        [ 4 × 1 = 4 ]
1. A large part of the earth is covered by __________.
2. The shape of the earth is ___________.
3. The solid outer layer of the earth is known as the ____________.
4. All living things __________ on earth.

C – Write true or false :-                                      [ 4 × ½ = 2 ]
1. The moon has light and heat of its own.
2. Earth is surrounded by a blanket of air called atmosphere.
3. A shooting star is a meteor.
4. In earlier times people thought that the earth was flat.

D – Write the meaning of the following words :-    ( any three )            [ 3 × 1 = 3 ]
1. cavity
2. geoid
3. voyage
4. infinite

E – Answer the following questions 🙁 any three )                  [ 3 × 2 = 6 ]

Q1. Why is earth our home planet?

Q2. What are the eight planets of the solar system ?

Q3. What are satellites?

Q4. Why do living things survive on Earth?

Q5. What are comets?

F – Complete the following words :-   [ 3 × 1 = 3 ]

1. PL_N_T

2. E_ _ T H

3. ST_ _ _