RISING NEPAL SECONDARY BOARDING SCHOOL

Class:- 6 FIRST TERMINAL EXAMINATION 2076 F.M:50

Time:- 2hrs. Sub:- Science P.M:16

All the questions are compulsory.

1. Fill in the blanks: 3

a) ………….. is the standard unit of length.

b) The SI unit of force is ……………..

c) Scissors belong to …………………..

d) …………….. substances are made up of different atoms or molecules.

e) The chemical name of baking soda is …………..

f) Food is transported from the …………. to all part of the plants.

2. State whether ‘True’ or ‘False’: 3

a) Some roots are modified to store food.

b) Ghee provides heat and energy for the body.

c) Impure substances have same properties and compositions.

d) An inclined plane has two wheels.

e) The motion of a plucked string of a guitar is a vibratory motion.

f) Standard unit of time is minute.

3. Match the following: 3

A car moving in a straight path oscillatory motion

A boy in merry – go – round spiral motion

The earth moving around its axis linear motion

The motion of swing rotatory motion

The motion of a snake climbing a tree circulatory motion

An apple falling from a tree rectilinear motion

4. Tick (✔) the best answer: 5

a) In which system, the length of an object is measured in foot?

i) MKS ii) FPS iii) CGS iv) SI

b) How many dynes are there in one Newton?

i) 1, 000 ii) 10,000 iii) 100,000 iv) 1,000,000

c) Which one is an example of second class lever?

i) Wheel barrow ii) Forceps iii) Scissors iv) Fishing rod

d) The process of separating grains from husk is called ……………..

i) Sedimentation ii) Filtration iii) Winnowing iv) Sieving

e) Edible salt is mixed with …………………….

i) Iron ii) Iodine iii) Sulphur iv) Oxygen

5. Convert: 4

a) 2 kilometers into meters b) 100 gram into kilogram

c) 1 day into seconds d) 5 minutes into seconds

6. Differentiate: 4

a) Periodic motion and non – periodic motion

b) Homogeneous and heterogeneous mixture

7. Name the suitable method to separate mixing particles from given

mixtures: 3

a) Husk from rice b) Mixture of salt and water

c) Iron and sand d) Salt from ocean

e) Stones from rice f) Husk from flour

8. Define the following terms: 3

i) Evaporation ii) Effort iii) Lever iv) Load arm

v) Third class lever vi) Force

9. Answer the following questions: 20

a) What is measurement? Why do we need a standard unit of measurement?

b) What do you mean by the term mass? Name the instrument used to measure the mass of substances.

c) Write a difference between rest and motion.

d) Explain the effects of force with examples.

e) What is a simple machine? Write any three uses of simple machine.

f) Write the name of any five simple machines and their uses in our daily life.

g) When do you use sieving method? Name two mixtures separated by sieving.

h) Write two uses of common salt.

i) Name any three types of modified roots.

j) Write any three functions of stems.

10. Draw a label diagram of a mustard plant. 2

The End