t SUBJECTIVE SECTION [60 marks] Questionl [6marksl 1. Completethe mind-mapping based on the answers given in the box below. o Constellations o Depletion of ozone layer o Household appliances . Using internet for the tradeof pomography o Development in healthservices o Mirage (c) Science also has limitations and abuses. Examples that lead the abusesare; 12ml
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
tSUBJECTIVE SECTION [60 marks]Questionl [6marksl
1. Complete the mind-mapping based on the answers given in the box below.
o Constellationso Depletion of ozone layero Household appliances. Using internet for the trade of pomographyo Development in health serviceso Mirage
(c) Science also has limitations and abuses.Examples that lead the abuses are;
12ml
Question 2 [8 marks]
Study the picture given.Complete the word puzzle for the career related to science based on the pictureComplete with suitable word in column how science is used.Study the example given.
Figure Career related to sciencep field of
science IIow science is used?
Example
Pa,ed.La,treLcl .a-r l rBiology/paediatrics
Paediatrics is used toconcern with childrenand their illnesses
l .
**
**
E-t-rn_-og;
[ 1m]Entomology
Entomology is used tostudy everything fact of
r t I
_(e_re__(o_(otg___
[ 1m]Meteorology
Meteorology is used tostudy the earth'safrnosphere and it'schanges especially forforecasting
[ 1m]Astronomy
Astronomy is used to beexpert in everything factof
ml
M -.c _ a,_L_ a,_
E__L_ee_
ml
Physics /Mechanics
Mechanics is used topractice the applicationof scientific knowledgein the design,construction and controlof
!
4
Question 3 [9 marks]
We must obey all safety rules in the laboratory. Accidents in the laboratory can be disastrous.
However, they can be avoided if precautions are taken at all times.
Put a (0 for the do's and (X) for the don'ts.
Take a lot of chemicals. ( )
Wait until the end of the lesson to tell your teacher that you have bunrt yourself. ( )
Wash your hands thoroughly after all practical work. ( )
[3m]
3b). Study the pictures below.
The following diagrams illustrate some situations in a science laboratory.
Write danser/mistake in each situation and the precaution that should be taken.
Dangerlmistake:
[ 1m]
Precaution:
. . . . [ 1m]
Danger/ mistake:
[ 1m]
Precaution:.
"" [ 1m]
Dangerlmistake:
. [ 1m]
i i .
Question4 [5marks]
Study the following figure. Scientific diagram should be simple as shown in the example
below.
rlish
so I t ttion being a'aporale d
lflfe gailte
IHeat
tripad stand
Draw a neat labelled scientific, containing only sectional diagram of apparatus based on
3-D figure I below. Draw your diagram in the box provided.
[3m]
ii)
6
Choose one apparatus that are labelled above and write the function for the apparatus in
table below.
Name of apparatus Function
[2m]
Question 5 t6 marksl
Match the symbols below with the nature of the hazardous substance by putting the correctnumber in each box.