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 MODEL EXAM ANSWERS GRADE 4

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AuthorMessage
T.Nermeen Bahaa



Posts : 32
Join date : 2010-01-29

PostSubject: MODEL EXAM ANSWERS GRADE 4   Sat Feb 13, 2010 3:14 pm

Grade 4
NOOOOOOOOOOO HOMEWORK TODAY bounce bounce
Science model exam answers
Page 25 to 28

Q.1.TRUE OR FALSE :
1-f, cannot make its own food
2-t
3-t
4-t

Q.2.COMPLETE :
1-nucleus
2-mosses and hornworts
3-scales
4-blood and blood vessels
5-cancelled
6-cancelled

Q.3.GIVE REASON :
1- To facilitate its movement .
2-Due to the existence of valves between the atria and ventricles that allow the movement of blood in one direction only and does not back again .

Page 26
Q.4.WHAT WOULD HAPPEN IF :
1-cancelled
2-They will cause a disease or
will be destroyed by the immune system which will form antibodies against them .

Q.5. LABEL THE FOLLOWING ;
Nose
Mouth
Trachea
lungs
Diaphragm


Page 27
Q.6.COMPARE :
Spiders have 8 legs and 2 main body parts while insects have 6 legs and 3 main body parts .

Q.7.GIVE THE SCIENTIFIC TERM :
1-vertebrates
2-involuntary muscle
3-immune system
4-humidity

Q.8.ANSWER THE FOLLOWING QUESTIONS :
1- cancelled
2-Antibodies
3-1.cells .
2.organs .
4-Roots take in water from the soil and holds the plant in the ground .

Page 28
Q.9.CHOOSE ;
1-b
2-a
3-b
4-a

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