Weekly Test in Physics (June 28, 2013)

I.                    Identification. Write the word or phrase that is described or defined in the following.

1.      Process of changing one unit to another unit.

2.      Process of converting into metric system.

3.      The primary reason why the metric system is easier to use.

4.      The official name of the metric system.

5.      Equivalence statement that is expressed in in ratio and is equal to one.

6.      Method of determining the quantity, capacity and dimension.

7.      The other name of the English System of measurement.

8.      Where did the metric system originate?

9.      When did the metric system originate?

10.  A conventional way of expressing very large and very small numbers.

II.                  Name the following symbols of prefixes and their equivalent multipliers.

1.      P

2.      p

3.      d

4.      Y

5.      n

6.      k

7.      E

8.      M

9.      z

10.  m

11.  h

12.  Z

13.  da

14.  µ

15.  f

16.  y

17.  T

18.  G

19.  a

20.  c

III.                Give at least two units for the following derived quantities

1.      Area

2.      Volume

3.      Force or Weight

4.      Energy

5.      Pressure

IV.                Enumeration.

1-14. Enumerate the seven fundamental quantities and their corresponding base units.

V.                  Problem Solving. Solve the following conversion problems. Write the complete solution.

1.      The Concorde is a type of aeroplane that flies very fast. The top speed of Concorde is 844 km/hr. Convert its top speed to m/s.

2.      The greatest tide change on earth occurs in the Bay of Fundy. The difference between low tide and high tide can be as great as 16.6 m. How high is the tide change in feet and in kilometers? (1 km=3280.84 ft)

3.      The average ice berg weighs 20,000,000 tons. What is the mass of the ice berg in kilograms and in pounds? (1 ton=907.18 kg) (I lb=453.59 g)

4.      Hawaii moving toward Japan 10 cm every year. How many inches is 10 cm? (1 m = 39.37 in)

5.      The average human produces saliva about 10,000 gallons in a lifetime. What is its value in liters and cubic meters? (1 gal = 3.785 L) (1000 L = 1 m³)

6.      The following are the brands of bottled orange juice: Brand 1 (400 mL for ₱22.00), Brand 2 (450 cm³ for ₱20.00) and Brand 3 (0.12 gal for ₱23.00). Which among the three products is the most practical to buy?