RUHA NURSERY AND PRIMARY SCHOOL
SECOND MID TERM TEST FOR STANDARD SEVEN (VII)
SCIENCE AND TECHNOLOGY (ST)
TIME 1: 30 HOURS SEPTEMBER, 2024
NAMES: _________________________________________________
ANSWER ALL QUESTIONS
1. a)Define the term” internet”____________________________________________________
______________________________________________________________________________
b).Explain two (2) disadvantages of using internet
i. ___________________________________________________________________________
ii. ___________________________________________________________________________
b) Outline three (3) social networks found in the internet
i.______________________________________________________________________________
ii._____________________________________________________________________________
iii.____________________________________________________________________________
2. a) With one example differentiate between web browser and search engines ______
______________________________________________________________________________
_______________________________________________________________________________
b) Briefly explain the five (5) methods of soil conservation in Zanzibar
i.______________________________________________________________________________
ii._____________________________________________________________________________
iii. ___________________________________________________________________________
iv. ___________________________________________________________________________
v. ___________________________________________________________________________
3. Define the following terms
a) Simple machine _____________________________________________________________
b) Lever ______________________________________________________________________
c) Water pollution ____________________________________________________________
d) Hazards of water ___________________________________________________________
e) Computing devices __________________________________________________________
f) Output devices _____________________________________________________________
g) Input devices ______________________________________________________________
h) Tablet _____________________________________________________________________
i) Microsoft word _____________________________________________________________
j) Microsoft excel ____________________________________________________________
4. Write three (3) safety measures and precautions of hazards of water
i) ________________________________________________________________________
ii) _______________________________________________________________________
iii) ______________________________________________________________________
5. Explain four (4) types of soil erosion
a) ___________________________________________________________________________
___________________________________________________________________________
b) ___________________________________________________________________________
___________________________________________________________________________
c) ___________________________________________________________________________
___________________________________________________________________________
d) ___________________________________________________________________________
___________________________________________________________________________
6. Give three (3) examples of conductors and insulation.
i. Conductors _______________________________________________________________
ii. Insulator ________________________________________________________________
7. Write two (2) possible sources of electricity in Zanzibar
i.______________________________________________________________________________
ii._____________________________________________________________________________
