Science Class: VI paper

Time: 2 hours: 30 mins Total Marks: 100
Name: _____________            Date: ___________
Subject: Science                                                                Class: VI
Questions
1 2 3 4 5 Total Marks
Marks Obtained



Instruction:
⦁ Attempt all Questions.
⦁ Overwritten/re-written answers will be considered wrong.
⦁ Provide extra sheet to the students to attempt long questions.
Objective Part
Time Allowed: 1 hr Total Marks: 60
Q.1. Write down the proper term/word against each statement. (12 x 1=12)
⦁ The brain of the cell which controls its functions _____________________
⦁ Outer covering of a plant cell _____________________
⦁ Air enters the nose through it _____________________
⦁ The hole in the middle of the iris _____________________
⦁ The gas that makes up the largest part of air _____________________
⦁ A gas which is filled in soda water bottles _____________________
⦁ First artificial satellite in space ______________________
⦁ Used to see very small things           ______________________
⦁ A mirror that forms mostly real images                      _____________________
⦁ A substance in a solution that is dissolved           ______________________ 
⦁ A solution with less quantity of solute _______________________
⦁ Carries signals of sound to the brain _______________________
Q.2. Circle the letter of the best answer. (1 x 17=17)
⦁ A solution that contains a large amount of solute is best described as:
a) unsaturated     
b) dilute
c) concentrated     
 d) weak
⦁ We make a solution when we mix:
⦁ salt & water
⦁ sugar & cinnamon
c) vegetables in a salad   
 d) cheese sauce & macaroni
⦁ Which of the following increases the solubility of a gas in a liquid?
⦁ increasing the temperature
⦁ stirring
⦁ decreasing the temperature
⦁ decreasing the amount of liquid
⦁ Particles settle down in a:
⦁ solution
⦁ suspension
⦁ solute
⦁ solvent
⦁ Which one is a universal solvent?
⦁ milk
⦁ petrol
⦁ cooking oil
⦁ water



⦁ Thick blanket of air around the Earth is:
a) Earth cover     
 b) atmosphere   
c) wind     
 d) Earth’s coat 
⦁ We can produce a lot of urea fertilizer because:
⦁ there is oxygen in the air
⦁ there is a lot of nitrogen in the air
c) there is carbon dioxide in the air
d) there is water in the air
⦁ During their space journeys, rockets use:
⦁ liquid oxygen
⦁ liquid nitrogen
⦁ liquid hydrogen
⦁ liquid carbon dioxide
⦁ Sound waves travel most quickly through:
⦁ solids
⦁ gases
⦁ air
⦁ liquids
⦁ When does our body use more energy?
⦁ when we speak gently
⦁ when we talk to our friends
⦁ when we cry over others
⦁ when we talk to our mother
⦁ Light reflects regularly from a surface which is:
a) opaque and rough  
b) rough
c) black    
 d) smooth & shiny
⦁ The “ power houses” of the cell are:
⦁ chloroplasts
⦁ mitochondria
c) vacuoles   
 d) chromosomes
⦁ Aamir was looking at a cell through a microscope and saw mitochondria and cell membrane. What could Aamir say about the cell?
⦁ it can only be a plant cell.
⦁ it can only be an animal cell.
⦁ it is either a plant or an animal cell.
⦁ it is neither a plant nor an animal cell.
⦁ Heart, liver and ears are examples of animal:
⦁ organs b) tissues
⦁ cells d) organ system
⦁ Plants make their food in leaves and it is stored in other parts because:
⦁ they have xylem tissues.
⦁ they have roots.
⦁ they have stems.
⦁ they have phloem tissues.
⦁ The control room of our body is:
a) heart     
 b) stomach 
c) brain   
 d) liver 
⦁ The most sensitive part of our eyes is:
⦁ retina
⦁ cornea
c) pupil
d) lens

Q.3. Fill in the concept map using the following words. (4)
suspension matter solution mixture



Q.4. Write short answers of the following questions in the given space. (7 x 3=21)
⦁ What is atmosphere?
________________________________________________________________________________________________________________________________________
⦁ What is solubility?
________________________________________________________________________________________________________________________________________
⦁ What energy changes takes place as a tube light is turned on?
________________________________________________________________________________________________________________________________________
⦁ What are comets?
________________________________________________________________________________________________________________________________________
⦁ What happens to pupil of our eyes when we switch the lamp on?
________________________________________________________________________________________________________________________________________
⦁ A doorknob is a wheel and axle. How does it work?
________________________________________________________________________________________________________________________________________
⦁ What happens to the sense of taste, when we have a bad cold?
________________________________________________________________________________________________________________________________________