Greendale Secondary School
Science Mid-Year-Examination 2008

Tuesday
29 April 2008

Name:
Class:1A2

Rules&Regulations.
1.Answer al questions.

1) What is science?[1m]
2) Name me two good qualities of a good scientists.[2m]
3) Can technology solve all our problems?[1m]
4) Why must we open all doors and windows when we are in the laboratory?[1m]
5) What is the function of the apparatus, gas jar?[1m]

6) What is the S.I. Unit for length?[1m]
7) What is the Symbol for temperature?[1m]
8) What is the tail of the vernier calipers used to measure?[1m]
9) How could you improve on the accuracy of the estimation of the area?[1m]

10) A block of metal has a length of 20cm, breadth 10cm, height 5cm.The mass of the metal block is 2.7kg.
(a)Find the density of the metal in g/cm3.[2m]
(b)Will the metal float or sink in water? Why?[2m]

11) John ran 5km in half an hour? What is his average speed?[1m]

12) What is an element?[1m]
13) What is a compound?[1m]
14) What is a mixture?[1m]

15) Name me one property from the metal called, zinc.[1m]
16) Name me one property from the non-metal called, diamond {carbon}.[1m]


If you want more science questions, come to school at 6.55 am.

Regards,
Kush (23)
1A2
GDLSS