Rising Nepal Secondary Boarding School

Final Examination 2074

Class: 6 F.M. 50

Time: 2 hrs. Subject: Science P.M. 16

1. Fill in the blanks: 4

  1. Like poles of magnet ………….. each other.
  2. A ………….. helps to make and break an electric circuit.
  3. Sound travels …………… in solid than liquid and gas.
  4. On heating, solid matters change into …………….
  5. The mixture of iron fillings and Sulphur can be separated by ………………
  6. The property that metals can be drawn into wire is called …………….
  7. Plants carry out gaseous exchange through ……………..
  8. Mars is called the …………….. planet.

2. State whether 'True' or 'False': 4

  1. Flute is a source of sound.
  2. A magnet has strong attractive force at the two poles.
  3. Glass rod is a conductor.
  4. Kerosene dissolves in water.
  5. Residue is that insoluble substance which remains in filter paper.
  6. Metals are sonorous.
  7. Climbers have a weak stem and cannot stand on their own.
  8. Uranus is the farthest planet from the sun.

3. Match the following: 6

Diamond solid non-metal

Iodine hardest substance

Mercury wrapping foil

Iron non-metal

Aluminium hard-metal

Oxygen liquid metal

4. Choose the best answer from the given alternatives: 6

  1. Which one gets rusted quickly when exposed to air?

i) Iron ii) Copper iii) Gold iv) Silver

  1. Mixture of oil and water is an example of ……………..

i) homogenous mixture ii) heterogeneous mixture

iv) solid and solid mixture iv) gas and gas mixture

  1. A sound is ……………..

i) a form of energy ii) force

iii) neither force nor energy iv) power

  1. Which of the following is the good conductor of electricity?

i) copper wire ii) silicon

iii) glass rod iv) pure water

  1. What is the diameter of the earth?

i) 12,751 km ii) 12,571 km

iii) 7,512 km iv) 15,721 km

  1. How many moon does the earth have?

i) 0 ii) 1 iii) 4 iv) 5

5. Give reason: 6

  1. Water is called a compound.
  2. Computer is called sublime substance.
  3. Zinc is called a metal.

6. Differentiate between: 4

  1. Solid and liquid
  2. Metal and non-metal

7. Answer the following questions: 20

  1. What is a source of sound? Give two examples.
  2. Write any three properties of magnet.
  3. Name any two electrical devices used at our home.
  4. What is a matter? Write any three properties of matter.
  5. What is filtration? What kind of component can be separated by this method?
  6. What are metalloids? Give two examples.
  7. Write any three functions of stems.
  8. What is weather? Write different conditions of weather.
  9. Name the inner planets of our solar system.
  10. What is eclipse? How does it occur?

-O-