QUESTION BANK



The City School

PAF Chapter

Comprehensive Worksheet

December 2015

SCIENCE Class – 6

Candidate Name:

Index Number:

Section:

Branch/Campus: Date: Maximum Marks: 100 Time Allowed: 1 hour 30 minutes

INSTRUCTIONS:

ϖ Write your name, index number, section, branch/campus and date clearly in the space provided.

ϖ Read and follow the instructions of the given questions.

ϖ Answer all the questions in the space provided.

ϖ Select only one answer when made to choose, otherwise no marks will be given.

ϖ Check your answers before handing your paper in.

ϖ Marks for each section are shown below.

ϖ This paper consists of 09 printed pages including the cover page.

……………………For Examiner’s use only……………………

|Sections |Section – A |Section – B |Total |

| | | | | | | | | | | |

|Question |1 |2 |3 |4 |5 |1 |2 |3 |4 | |

| | | | | | | | | | | |

|Max. Marks |20 |15 |10 |10 |5 |10 |10 |10 |10 |100 |

| | | | | | | | | | | |

|Marks Obtained | | | | | | | | | | |

|Percentage | |

|Grade | |

INVIGILATED BY MARKED BY MARKS TALLIED BY

SECTION A

Q.1. Choose the correct answer:- [ /20]

1) The curved surface of the water is called . [ /1]

a. Displacement

b. Meniscus

c. Parallax error d. Volume

2) Diseases caused by micro-organisms and viruses are called

a. Fungal diseases

b. Contagious diseases c. Infectious diseases

d. Bacterial diseases

. [ /1]

3) is a measure of the amount of matter in a substance. [ /1]

a. Speed

b. Distance c. Time

d. Mass

4) is the skill of drawing conclusion from observations or information gathered. [ /1]

a. Inferring

b. Observation c. Hypothesis

d. Investigation

5) A is a phenomenon which can be tested by investigation. [ /1]

a. Inferring

b. Investigation c. Observation d. Hypothesis

6) is an example of flammable substance. [ /1]

a. Water

b. Juice c. Acid d. Petrol

7) is used for heating solids directly on flame. [ /1]

a. Beaker

b. Crucible c. Test tube d. Pipette

8) is an application of science. [ /1]

a. Hypothesis

b. Perseverance c. Technology

d. None of the above

9) SI unit of electric current is . [ /1]

a. Metre

b. Kilogram c. Ampere

d. Kelvin

10) is caused by the wrong positioning of the eye when measurement is taken. [ /1]

a. Parallax error

b. Measurement c. Diseases

d. Filtration

11) is a measure of the extent of a surface. [ /1]

a. Time

b. Area

c. Volume d. Length

12) The sundial was first made by the in the year 800 B.C. [ /1]

a. Egyptians

b. Aryans c. British d. Chinese

13) Speed is the rate of change of distance with . [ /1]

a. Length

b. Time

c. Volume d. Area

14) solids can be separated from water by sieving and/or filtration.

a. Soluble

b. Insoluble c. Dissolved d. Colorful

15) can be used to separate a soluble solid such as common salt from water. [ /1]

a. Filtration

b. Sieving

c. Evaporation d. Melting

16) A is a type of push.

a. Tug of war

b. Kicking a ball c. Opening a can d. Lifting a bag

17) The force that exists between two like poles of magnets is the magnetic force of . [ /1]

a. Separation

b. Attraction c. Push

d. Repulsion

18) force is the force of attraction between two masses. [ /1]

a. Up thrust

b. Air resistance c. Gravitational d. Magnetic

19) is the force which opposes motion when two surfaces are in contact. [ /1]

a. Up thrust

b. Friction

c. Gravitational d. Magnetic

20) is the frictional force acting on an object when it moves through air. [ /1]

a. Air resistance

b. Friction

c. Gravitational d. Magnetic

Q2. Fill in the blanks: - [ /15]

a. Volume is measured by using a .

b. Another name for displacement can is . c. Electronic balance is used for measuring .

d. was the first to observe micro organisms using his self-made microscope. e. can make their own food using sunlight just like plants.

f. are used for making bread.

g. Oxygen and heat energy are needed for a substance to . h. BCG vaccination can prevent .

i. If there is no

j. 1 liter = ml.

then there will be no weight.

k. Chicken pox is caused by a type of _.

l. is used for measuring length, thickness or diameter. m. 1cm = m.

n. is a measure of the space occupied by a substance. o. virus attacks plants, especially tobacco plant.

Q3. Give reasons for the following: - [ /10]

1. We should not leave cooked food at room temperature for a longer period of time.

2. Talc powder is left as residue on the filter paper after filtration.

3. An object weighs less in water than in air.

4. We should avoid inhaling alcohols, chloroform and bromine vapors and should use them in a fume

chamber.

5. Petrol should be kept away from fire.

Q4. Complete the table below: - [ /10]

|Solution |Solute |Solvent |State of solute |

|Coffee with milk |coffee | | |

|Salt water | | | |

|Sugar water | | |Soluble |

|Flour with water | | | |

Q5. Read the following statements carefully and write for each statement whether it is ‘True’ or

‘False’. [ /5]

a. All micro organisms are harmful. ( )

b. Common cold can be treated with antibiotics. ( )

c. Bacterial diseases can be treated with vaccinations. ( )

d. The larger the surface area, the greater the air resistance. ( )

e. Time = speed x distance ( )

SECTION B

Q1a. Guess who I am: [ /7]

a. I can pick up things that are made from iron. I am a . b. I am a force that slows down a moving parachute. I am .

c. I am the amount of matter present in your body. I am your .

d. I am less on the moo but more on the earth due to its larger mass. I am .

e. I am used to measure force. I am a .

f. I am a force which slows down moving objects. I am .

g. I am used to measure the area of regular shaped objects. I am .

Q1b. Look at the diagram and answer the questions below. [ /3]

i. Identify the part of the diagram represented by an arrow.

ii. Can the part represented be used to separate uncooked rice from water? Yes or No?

iii. Can the part represented be used to separate sugar from water? Yes or No?

Q2a. Look at the pictures and analyze:- [ /4] A. B.

[pic]

i. Which parachute reaches the ground earlier?

ii. Which force slows down a parachute?

iii. Difference between up thrust and air resistance.

|Air resistance |Upthrust |

| | |

Q2b. Explain how the following methods help to preserve food and prevent them from spoilage. Give examples for each. [ / 6]

Q3a. Write down two effects of force. [ /2.5]

Q3b. Write two ways in which microorganisms are: [ /2.5]

i. Harmful:

ii. Useful:

Q3 c. Can you find the volume of a small piece of rock sugar using a measuring cylinder method?

Give a reason. [ /2.5]

Q3d. Differentiate between luminous and non- luminous flame. [ /2.5]

|Luminous flame |Non- Luminous flame |

| | |

Q4a. The width of an object was measured using a Vernier caliper. Below is the picture showing the reading. [ /3]

i. Main scale reading:

ii. Vernier scale reading:

iii. Width of the object:

Q4b. Look at the picture below and answer the blanks given. [ /3]

[pic]

i. Volume of water =

ii. Volume of water + rock =

iii. Volume of rock =

Q4c. A traveler drove from A to D. [ / 4]

|1 hour |3 hours |2 hours |

|A |B |C |

|40 km |110 km |90 km |

Calculate the average speed.

_

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The City School / PAF Chapter/ Comprehensive Worksheet/ December 2015/ Science / Class 6

Page 1 of 8

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