Скачать или смотреть Science Grade 6 Concept 3.1 Energy Transfer Through the Water Cycle Model Exam 1 كتاب المعاصر

Model Exam 1
1 (A) Choose the correct answer: (5 marks)
1. Water vapor that is present in air changes into bottle. when it hits a cold water
a. gas state
b. liquid water
c. steam
d. juice
2. When a liquid is heated, it and become less dense and
a. expands - heavier.
b. contracts-lighter.
c. expands-lighter.
d. contracts-heavier.
3. The large salt lake in Turkey is dried up due to the increase in the rate of process.
a. melting
b. freezing
c. evaporation
d. condensation
4. Wind helps in transporting water through the water cycle by carrying
a. sand grains.
b. small rocks.
c. plant leaves.
d. water vapor.
(B) Give a reason for the following:
Formation of clouds in the sky.
2 (A) Write the scientific term of each of the following: (5 marks)
1. The cycle that involves the continuous movement of water from different water bodies to the atmosphere then falling back to Earth in form of rain, sleet or snow.
2. It is a form of evaporation that takes place through the stomata which is found in plant leaves.
3. It is caused when air warmed by the solar radiation rises and then replaced by cooler air that flows from nearby areas.
4. It is the process in which water falls on Earth in the form of rain, sleet, snow or hail.
(B) What happens to ...?
The air temperature if there is no wind on Earth.
3 (A) Put (v) or (X): (5 marks)
1. As air is warmed by the Sun, the air falls down.
2. Rains fall and collect in oceans by the effect of gravity force.
3. Water comes out from stomata to the air in the form of water vapor.
4. In the water cycle, the step that follows condensation process is runoff.
(B) Look at the following figure, then choose the correct answer:
Cloud
Pain
Ocean
1. The rain falling on the mountain is a form of
a. cloud.
b. precipitation.
c. evaporation.
d. condensation.
2. The rain on the mountain runs into the and goes to the ocean.
a. Sun
b. river
c. ocean
d. groundwater
3. When the Sun heats up the water in the ocean, it
a, runs off.
b. condenses.
c. precipitates.
d. evaporates.
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