Rabbana laa tu’aakhiznaaa in naseenaaa aw akhtaanaa

Rabbana atina fid dunyaa hasanatanw

 

Technology in Everyday Life

 Constructed Response Questions:

Ans (i):

Ans (ii):

We use different items in our daily life which are of different shape.

  

Circle	Cube
Dry cake	Gift box
Pizza	Geometry box

Cylinder	Cone	Prism
Gas cylinder	Ice cream	Cottage
Test tube	carrot	candy

Ans (iii):

Solar System and our Earth

 Constructed Response Questions:

Ans (i):

Ans (ii):

Ans (iii):

Rabbana waj’alnaa muslimaini laka

Earth's Weather and Climate

 Constructed Response Questions:

Ans (i):

Ans (ii):

Climate of Different Zones:

Tropical Zone:

Tropical zone has hot climate because the sun rays fall vertically on this zone.

Temperate Zone:

Temperate zone has mild climate because the sun rays fall slantly on this zone.

Polar Zone:

Polar zone has the coldest climate because the sun are more slanted and less on this zone.

Ans (iii):

With the rise of height from sea level the climate becomes cooler while water bodies make climate of adjacent area is mild this is the reason that the temperature of Skardu, a city of Gilgit Baltistan is below zero degree centigrade while the temperature of Karachi is mild.

Earth and its Resources

 Constructed Response Questions:

Ans (i):

We know about the feed of animals by knowing the structure of mouth and sequence of their teeth.

Ans (ii):

No, we can not obtain fossil of jellyfish.

Force and Motion

 Constructed Response Questions:

Ans (i):

The shoes present in figure (c) is suitable for rocky soil because its structure increase friction, while the shoe in figure (a) is useful to walk on ice surface due to its plane structure and the shoes in figure (b) is helpful in playground.

Ans (ii):

Inclined plane will help us to shift the patient on stage due to its slope.

Forms of Energy and Energy Transfer

  Constructed Response Questions:

Ans (i):

When we bring thermometer near a lighted bulb thermometer show change in temperature reading due to expansion of mercury.

Ans (ii):

Ans (iii):