Exercise of MST-2
1. An example of matter that does change its volume and shape is......
a. iron
b. water
c. wood
d. oxygen
2. An example of matter that does not change its volume and shape is......
a. plasma
b. liquid
c. solid
d. gas
3. Oil is included into liquids because it has properties of……
a. fixed shape and volume
b. unfixed shape and volume
c. unfixed shape, fixed volume
d. fixed shape, unfixed volume
4. Matter is everything which have…….
a. mass and area
b. weight and volume
c. weight and occupies space
d. mass and occupies space
5. A pencil with density of 3.0 g/cm3 is broken in halves by Achmad.
What will be the density of each half of the pencil ?
a. 1.5 g/cm3
b. 2.0 g/cm3
c. 3.0 g/cm3
d. 6.0 g/cm3
6. Look the picture in below :
ml ml
If a body has mass of 25 g, so the density
of body is….
a. 250 g/cm3
b. 35 g/cm3
c. 25.5 g/cm3
d. 2.5 g/cm3
7. The density of iron is 7900 kg/m3. Volume of 3950 kg iron is……
a. 0,2 m3
b. 0,5 m3
c. 2 m3
d. 5 m3
8. A body has mass of 2 kg has length of 50 cm, width of 20 cm and hight of 4 cm. The
density of the body is…….
a. 0,0005 g/cm3
b. 0,5 g/cm3
c. 2 g/cm3
d. 2000 g/cm3
9. The density of water is 1 g/cm3. The density of water in SI unit is……
a. 0,001 g/cm3
b. 1 kg/m3
c. 1000 g/cm3
d. 1000 kg/m3
10. The use of expansion principle in everyday life can we find at the following object,
except…….
a. thermos
b. electric iron
c. sign lamp of motorcycle
d. thermal switch in the fire alarm
11. The following liquid is not easily to expand is…..
a. gasoline
b. alcohol
c. water
d. spiritus
12. If a bimetalic plate is heated, it will……
a. bend to the left
b. stay straight and become longer
c. bend to the direction of metal the expansion coefficient of which
is the largest
d. bend to the direction of metal the expansion coefficient of
which is the smallest
13. Steel bar its length is 2 m at temperature of 20 oC. After its temperature reaches
100 oC, the length of steel bar becomes…….. (α = 0,000011 /oC)
a. 2,00126 m
b. 2,00132 m
c. 2,00168 m
d. 2,00176 m
14. The length increase of metal which is heated depends on the following factors,
except……
a. the density of metal
b. initial metal length
c. temperature increase
d. the kind of metal
15. Material which has the best heat conductivity is......
a. water
b. metal
c. wood
d. air
16. A bar of iron has mass of 4 kg heated from 20 oC until 70 oC. The specific
heat capacity of iron is 460 J/kg oC. The heat energy required is......
a. 9.200 J
b. 32.000 J
c. 92.000 J
d. 394.000 J
17. The device which can change the phase of matter from liquid to be gas and back to
liquid is.....
a. air conditioner
b. distillation
c. hair dryer
d. freezer
18. Alcohol or spiritus is droped on the skin causes the skin is felt cold. The phenomenon
is included into.....
a. melting
b. crystaling
c. evaporating
d. condensation
19. The heat required to increase the temperature of matter does not depend on........
a. the temperature increase of matter
b. pressure in matter
c. the mass of matter
d. the kind of matter
20. Heat unit in SI is.......
a. kilojoule
b. kilokalori
c. kalori
d. joule
