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Worksheets

Science

Total questions: 25

Worksheet time: 17mins

Name
Class
Date
1.

Convert 470 K temperature to the celsius scale.



(a)  

2.

Convert 373 ℃  temperature to the Kelvin scale.



(a)  

3.

SI unit of temperature is

a)

Kelvin

b)

Celsius

4.

Si unit of Density is

a)

Kg/m3

b)

Pa

c)

N

d)

Kg

5.

SI unit of weight is

a)

K

b)

m

c)

Pa

d)

N

6.

We can get the smell of perfume sitting several metres away on account of

a)

Osmosis

b)

Diffusion

c)

Conduction

d)

Convection

7.

Evaporation is a ................ phenomanon whereas boiling is a ................ phenomenon.

(a)  

8.

Milk is an example of

a)

Gel

b)

Solid Sol

c)

Emulsion

d)

Aerosol

9.

Cloud is an example of

a)

Foam

b)

Aerosol

c)

Emulsion

d)

Sol

10.

Brass is a mixture of

a)

Copper

b)

Iron

c)

Zinc

d)

Steel

11.

The amount of the solute present in the saturated solution at a definite temperature is called its

a)

Concentration

b)

Solubility

12.

The process of acquiring food by amoeba is called

a)

Endocytosis

b)

Plasmolysis

13.

SI unit of momentum is

a)

Kg/m

b)

Kg/m2

c)

Newton

d)

Pa

14.

Which law gives us the definition of force

a)

Momentum Conservation Law

b)

Newton's First Law of Motion

c)

Newton's Second Law of Motion

d)

Newton's Second Law of Motion

15.

Which would require a greater force - [F1 - accelerating a 2 kg mass at 5 m/s2] or [F2 - a 4 kg mass at 2 m/s2 ]?

a)

F1>F2

b)

F2>F1

16.

Unit of force may be

a)

m/s2

b)

Pa

c)

Kgm/s2

d)

m/s

17.

Slope of the Distance-Time graph gives the value of

a)

Acceleration

b)

Distance

c)

Speed

d)

Momentum

18.

Slope of the Velocity-Time graph gives the value of

a)

Momentum

b)

Acceleration

c)

Distance

d)

Speed

19.

Area of the Velocity-Time graph gives the value of

a)

Acceleration

b)

Displacement

c)

Momentum

d)

Speed

20.

Which of the following may not be negative?

a)

Distance

b)

Acceleration

c)

Displacement

d)

Speed

21.

Retardation is ............

a)

Negative distance

b)

Negative acceleration

c)

Negative velocity

d)

Negative momentum

22.

Matrix of cartilage is made up of ...........

a)

Sugars and Lipids

b)

Proteins and sugars

c)

Cellulose

d)

Proteins and minerals

23.

Matrix of bone is made up of ...............

a)

Calcium and magnesium

b)

Calcium and phosphorus

c)

Sulfur and Sodium

d)

Calcium and protein

24.

Blood matrix is called ..........

a)

WBCs

b)

RBCs

c)

Plasma

d)

Platelets

25.

Which cell organelle plays

a crucial role in detoxifying many poisons and

drugs?

a)

Plastids

b)

Mitochondria

c)

SER

d)

Golgi Apparatus