CBSE Class 4 Science Sample Paper Set I

Question 1. Tick () the correct answer - [10]

a) Which of the following uses the force of fast flowing water to generate electricity?

i) Fuels ii) Sun iii) Wind iv) Dam

b) Which of the following is not a synthetic fibre?

i) Silk ii) Lycra iii) Nylon iv) Rayon

c) Fog is formed when –

i) Warm and moist air cools rapidly ii) Cool and moist air warms rapidly iii) Warm air rises in the sky rapidly iv) All of these

d) Which of the following has ridges and grooves?

i) Nail ii) Screw iii) Scale

e) Which of the following is not a source of energy?

i) Fuels ii) Wind iii) Sun iv) Chlorine

f) When we dissolve sugar in water, we get a –

i) Solute ii) Solution iii) Solvent iv) Volume

g) When you throw a ball up in the air, it comes back to Earth because of the force of –

i) Elasticity ii) Friction iii) Muscles iv) Gravity

h) Which of the following processes is not used for purification of water?

i) Boiling ii) Evaporation iii) Decantation iv) Filtration

i) Which of the following insects causes damage to woollen clothes?

i) Spider ii) Silver fish iii) Grass hopper iv) Mosquito j) The particles in gas are- i) tightly packed ii) loosely packed iii) very loosely packed iv) very lightly packed

Question 2. Fill in the blanks - [12]

i) The Gas that all living things need to stay alive is ____________________.

ii) The cycle of evaporation, __________________ and ____________________ is called water cycle.

iii) Particles in ____________________ are very tightly packed.

iv) ____________________ is the ability of a body to do work.

v) The process of cleaning clothes without water is called ____________________.

vi) The gas that plants use for preparing food is ____________________.

vii) The World ____________________ Day is celebrated on 5th June every year.

viii) The blanket of air surrounding the Earth is called ____________________.

ix) Matter occupies ____________________ and has ____________________.

x) A ____________________ is made up of grooved wheel and a rope.

Question 3. State whether the following statements are true or false - [8]

i) Steam engines use the solar energy. [ ]

ii) Air is not a mixture of gases. [ ]

iii) The food we eat comes from plants and animals. [ ]

iv) We wear same clothes in different seasons. [ ]

v) Gravity pushes the objects away from the centre of the earth. [ ]

vi) Light coloured clothes do not absorb much heat. [ ]

vii) Carbon monoxide is a poisonous gas. [ ]

viii) We need energy to do work. [ ]

ix) Milk is neither a solid nor a gas. [ ]

x) Rose petals are used to protect silk clothes from insects. [ ]

xi) A Wedge is used to lift loads. [ ]

xii) In desert areas, people wear raincoat and gumboots. [ ]

xiii) Soil erosion can be prevented by cutting down more and more trees. [ ]

xiv) Cooking gas is an example of a fuel. [ ]

xv) Pollution is a desirable change. [ ]

xvi) The shape of a solid always changes with change in position. [ ]

Question 4 Match the following - [10]

a) Energy used to make atom bombs                                  Axe

b) Wheel and axle                                                            Wind

c) Energy used to cook food                                              Slide

d) Lever                                                                          fuels

e) Energy used to run an air conditioner                            Atomic

f) Pulley Well g) Energy used to run a car                          Solar

h) Inclined plane                                                             Door knobs

i) Energy used by windmills to generate electricity            Electrical

j) Wedge                                                                       Hammer

Section – B [40 Marks]

Answer any four questions Question 5 Answer the following questions -

i) How can we prevent soil erosion? [3]

ii) Why is fog dangerous? [3]

iii) Why can liquids flow while solids cannot? [4]

Question 6.

A) What will happen if - [4]

i) The earth loses its gravity?

ii) You roll a ball on a surface that is very smooth?

iii) You do not eat for two days?

iv) The sun stops giving light to the Earth?

B) Explain the process of decantation:

[3] C) Draw a neat and labelled diagram of water cycle: [3]

Question 7.

i) What kind of clothes are worn in the summer season? [2]

ii) What is environment made of? How have we spoilt our environment? [4]

iii) List four ways in which you can save water? [4]

Question 8.

i) Give two differences between solids, liquids and gases - [6]

ii) What is solar energy? [1]

iii) How are clothes useful to us? [1½]

iv) Mention the effects of using force. [1½]

Question 9.

i) What is matter? Give two examples. [1½]

ii) What is the difference between dew and frost? [2]

iii) How would you store woollen clothes? [1½]

iv) What is a simple machine? Name any three simple machines you know of. Give one example of each. [5]

Question10.

i) How can you help to protect the environment? [3]

ii) Write one word - [5]

a) The process of making the environment around us dirty. _________________

b) the world in which animals, plants, and people live. _________________

c) Cutting down of trees in a large area. _________________

d) The loss of fertile soil by rain or wind. _________________

e) Planting trees in area which are barren / deforested / have fewer trees. ________________

iii) Why do solids have a definite shape and volume whereas liquids and gases do not? [2]

Please click the below link to access CBSE Class 4 Science Sample Paper Set I.