Science Worksheet Chapter 13

Science Worksheet Chapter 13

1. Choose the correct answer from the bracket to complete the statement:
(1) Moving air is called ___________________. (storm/ wind)
(2) Air is a mixture of _________________. (gases/ liquids)
(3) ______________ dries our clothes faster. (Rain/ Air)
(4) Apart from gases, air also contains _____________ and _____________. ( dust/ germs/
     flowers/ leaves)

2. Fill in the blanks:
(1) The process of conversion of a solid into liquid is called ________________.
(2) The process of conversion of a _____________ to solid is called freezing.
(3) The process of conversion of a liquid into _____________ is called evaporation.
(4) The process of conversion of a gas into liquid is called ________________.
(5) Moving air is called ________________.
(6) Air contains _______________, dust and _______________.
(7) Animals breathe in _____________ and breathe out _________________.
(8) Water is most ________________ substance on planet _________________.
(9) In nature, water keeps on changing its form continuously through _________________
     and __________________.

3. State whether the following statements are true or false.
(1) Water droplets collect around dust particles in the air to form rain.
(2) Air helps birds to fly in the sky.
(3) Gently moving wind is called storm.
(4) Air contains gases like oxygen, carbon dioxide and water vapour.
(5) In nature, water keeps on changing its form continuously through boiling and
     condensation.

4. Answer the following questions.
(1) What is the difference between breeze and storm?
(2) Give any four uses of air?
(3) How much of water is present on the earth?
(4) How is boiling different from evaporation?
(5) What is water cycle? Explain it.
(6) Why should we wash our hands before eating even if you have not touched anything
     dirty?

5. Tick the correct answer.
(1) Air shows all the properties of a
     (a) solid                      (b) liquid                         (c) gas
(2) The process of conversion of a gas to liquid is called
     (a) evaporation           (b) condensation            (c) freezing
(3) Plants take in
     (a) carbon dioxide       (b) oxygen                      (c) nitrogen
(4) How much of the earth's surface is covered with water?
     (a) One-fourth             (b) Two-third                   (c) Three-fourth
(5) Out of evaporation and boiling, which one is faster process?
     (a) Evaporation           (b) Boiling                        (c) Both are slow processes.
(6) Which one of these is a faster process?
     (a) Evaporation           (b) Condensation       (c) Boiling     (d) Freezing
(7) Gently moving wind is called
     (a) storm            (b) wind           (c) breeze          (d) air

6. Complete the web chart

7. Unscramble the given words to form a correct word.
    (1) MAETS    (2) PROATINOEVA     (3) INLGIOB         (4) IARN

8. Answer in one word or few words.
   (1)  Mixture of gases.

9. Define:
   (1) Water cycle.

10. Draw the diagram of watercycle.

Science Worksheet Chapter 12

Science Chapter 12

A. Give one word for the following:
1. It is a natural non-luminous object.
2. It is formed when light coming from the source of light is blocked by an object.
3. This always travels in a straight line.
4. This is the main source of light on the earth.

B. Answer the following questions.
1. What is the difference between luminous and non-luminous objects? Give two examples of
    each.
2. How is a shadow formed?
3. What is sound?
4. Can non-living things produce sound? If yes, give two examples.
5. What is force?
6. How is force useful to us?
7. What is friction? How is it useful to us?
8. Name two luminous animals.
9. Name one thing that does not cast its shadow. We cannot survive without this.
10. Can you see light, sound and force?

C. Fill in the blanks.
1. _____________ helps us to see things around us.
2. The sun is the main source of light on the ____________.
3. Light always travels in a ______________ line.
4.  ______________ always appear to be black or dark, irrrespective of the colour of the
     objects.
5. Sound is a form of ________________.
6. Force is a ______________ or a pull.
7. We apply force to change the ________________ or ___________ of an object.
8. _______________ is the force that slows down or stops a moving object.
9. _______________ need a push or pull to move.


D. Tick the correct answer.
1. Which of these is a man-made source of light?
    (a) The sun              (b) Star                 (c) The moon             (d) Bulb
2. Which of these always travels in a straight line?
    (a) Force                  (b) Sound             (c) Light                     (d) Friction
3. Which of these is a pleasant sound?
    (a) Barking of dogs             (b) Horn of vehicles
    (c) Screaming of children    (c) Chirping of birds 
4. You apply force to
    (a) produce sound   (b) produce light    (c) do work                (d) do nothing.
5. The main source of light on the earth is
    (a) the moon            (b) candle              (c) the sun                 (d) tube light.
6. The sun is
    (a)  natural luminous object                   (b) man-made luminous object
    (c)  non-luminous object                        (d) a planet
7. Light is a form of
    (a) man-made object                             (b) luminous object
    (c) energy                                              (d) non-luminous object

E. Match the following:
        Column A                                                                 Column B
    1. Tree                                                                    (a) Shadow
    2. Hitting a ball with a bat                                        (b) Friction
    3. Playing a piano                                                   (c) Non-luminous object
    4. Walking on a road without skidding                    (d) Force
    5. Always appears to be dark or black in colour     (e) Pleasant sound

F. Unscramble the given words.
   1. DASWOH    2. CITRIFON    3. NOSUD     4. ROFEC

G. Identify the following sounds as soft or loud.
    1. Children playing chinese whisper              2. Rustling of leaves
    3. A teacher teaching in class                       4. Water drops falling in a bucket
    5. A child singing on stage                            5. A father scolding his child

H.Complete the following web-chart.

Science Worksheet Chapter11

Science Chapter 11

1. State whether the following statements are true or false.
(1) The measurement using a body part is accurate.
(2) The smaller the container, the lesser will be its capacity to hold liquids.
(3) In earlier times, people took the help of watches and clocks to measure time.
(4) Temperature is the measure of how hot or cold an object is.

2.  Answer the following questions.
(1)   Define cubit, handspan, footspan and arm length.
(2)   Why was there a need to have a standard unit for measuring length?
(3)   Which objects do we use to measure length?
(4)   What is mass?
(5)   What is the standard unit of mass? What are the other commonly used units of mass?
(6)   What do you understand by the term capacity?
(7)   Which objects are used to measure capacity?
(8)   How did people in earlier times measure time?
(9)   What is temperature? How is it measured?
(10) How is time measured?

3. Fill in the blanks.
(1)   The length between the tip of the thumb and the little finger is called
        ________________.
(2)   ________________, ___________________, __________________ and kilometre are
       the other units of length.
(3)  Mass of an object tells us how ________________ or ________________ that object is.
(4)   The commonly used unit for measuring _____________________ is litre.
(5)   A thermometer measures the temperature in degree ___________________ or
       ____________________
(6)   Temperature is measured in __________________ or ____________________. 
(7)   ________________ is the measure of how hot or cold an object is.
(8)   ________________ is the amount of liquid a container can hold.
(9)   In some countries _____________ is measured in pounds.
(10) 1 pound = approximately ________ kg.
(11) _____________, _______________, _______________ and ________________ are
       called non-standard units for measuring length.

4. Tick the correct answer.
(1) Which of these is the standard unit for measuring length?
     (a) Cubit                   (b) Kilogram              (c) Metre          (d) Handspan
(2) To measure the mass of an object, we use a
     (a) metre scale.        (b) thermometer .      (c) watch.         (d) beam balance.
(3) Milk, water and fruit juice are measured in
     (a) kilograms.           (b) metre.                  (c) litre.             (d) celcius.
(4) A thermometer measures the temperature in degree
     (a) gram or kilogram. (b) second or hour.    (c) metre or kilometre.
     (d) celcius or fahrenheit.
(5) The standard unit of time is
     (a) hour.                     (b) minute                 (c) metre          (d) second.
(6) The standard unit for measuring mass is
     (a) gram                     (b) kilogram               (c) pound         (d) metre.
(7) Which of the following things can be measured in kilogram and litre both
     (a) Oil                         (b) Ghee                    (c) Ice cream   (d) Sugar

5. Define the following.
(1) Handspan

6. Which of the following things can be measured easily? Tick or cross for yes & no
    respectively.
(1) Milk in a bottle (2) Sugar in a bowl (3) Air around you (4) Width of hair
(5) Water in a sea (6) Length of a notebook (7) Height of your table.

7. Complete the web chart.


8. Find out six words related to measurement in the given grid. The names may read
    forward, backward and across.


9. Draw a neat labelled diagram of a Beam balance and a measuring beaker.

Science Worksheet Chapter 9

Science Chapter 9

1.  Choose the correct answer from the bracket to complete the statement.
(1) Everything around us is _______________. (space / matter)
(2) Liquids take shape of the _________________ they are kept in. (container / space)
(3) Gases fill all the available _________________ (matter / space)
(4) Matter exists in ____________ different states. (four / three)

2.  Answer the following questions.
(1)   What is mass?
(2)   What is matter?
(3)   What are the three different states of matter?
(4)   Mention any two qualities of solids with examples.
(5)   What are liquids? Give two qualities of liquids.
(6)   Name any three qualities of gases. Give some examples of gases.
(7)   What is change of state of matter?
(8)   What is evaporation?
(9)   What is water called in its gaseous state?
(10) What is change of state of matter?

3.  Give one word for the following.
(1) The process of change of a liquid into solid
(2) Matter which has no shape or size
(3) The quantity that tells you how heavy or light an object is
(4) The process of change of a gas into liquid

3.  State whether the following statements are true or false.
(1) Matter is the quantity that tells us how heavy or light an object is.
(2) Solids can neither change their shape nor can flow.
(3) Our atmosphere is made of different types of gases.
(4) Steam is the liquid state of water.
(5) Gases can be poured and spilled, while liquids cannot.

4.  Tick the correct answer.
(1) Our atmosphere is made of different types of
     (a) solids       (b) liquids       (c) gases
(2) The process of change of a solid into liquid is called
     (a) freezing  ( b) melting      (c) condensation
(3) Anything that has a fixed shape is called a
     (a) solid.       ( b) liquid.        (c) gas.
(4) Which of these cannot be seen, but can be felt?
     (a) Milk         ( b) Apple      (c) Air
(5) Anything that does not have a fixed shape and size and can flow easily is called
     (a) liquid        ( b) space    (c) matter    (d) mass
(6) The quantity that tells us how heavy or light an object is called
     (a) space       ( b) mass    (c) matter    (d) molecule

 5.  Complete the web chart.
 
6. Find out seven words related to matter in the given grid. The names may read
    forward, backward and across.

  
7.  Answer in one word or few words.
(1) The process of change of a liquid into gas is called _________________.
(2) __________________ exists in three different states.
(3) Matter exists in ________________ different states.





  

Science Worksheet Chapter 7

Science Chapter 7

1. Choose the correct answer from the bracket to complete the statement.
   (1) Be _________________ while walking on wet floors. ( careless / careful )
   (2) ____________ a zebra crossing to cross the road. ( Use / Do not use)
   (3) ____________ keep to your left while riding a bicycle. ( Never / Always )
   (4) Do not ___________ on an uneven ground or you may fall down. ( walk / run )

2. Answer the following questions.
   (1) What are accidents? How can we avoid them?
   (2) Write any three things that we should not do at home.
   (3) Give any two rules that we should follow on the road.
   (4) What is first aid?
   (5) What should you do if you or somebody else gets injured?

3. Fill in the blanks.
   (1) Do not _____________ through a gate to get i or get out of your school.
   (2) Always keep close to the __________________ on the road.
   (3) Do not play games like hide and seek in dark ______________ places.
   (4) Never ____________ a person who is under an electric shock.

4. State whether the following statements are true or false.
   (1) First aid is the immediate help given to an injured person after the doctor arrives.
   (2) One should not run on wet floors.
   (3) It is safe to get into a moving bus.
   (4) One should never use a zebra crossing to cross the road.
   (5) It is not safe to run on an uneven ground.
   (6) Zebra crossing should not be used to cross the road.

5. Find out the names of some popular brands of the following.
   (1) Adhesive bandage (2) Antiseptic lotion (3) Antiseptic cream (4) Thermometer

6. Tick the correct answer.
   (1) Which of the following things should not be taken without your parents' or doctor's
         advice?
        (a) Food      (b) Medicine     (c) Water     (d) None of these
   (2) We should always cross the road when the traffic light is
        (a) red         (b) yellow          (c) green     (d) black

6. Name the following.
    (1) Immediate help given to an injured person before the doctor arrives.

7. Draw a diagram showing sharp objects.