Скачать или смотреть Science Grade 6 Performances and Assessments 3.1 Lessons 4 and 5 2026 تقييمات الوزارة

First Concept: Energy Transfer through the Water Cycle
Lesson four and Five
Classroom performance:
In the picture in the front of you:
a- Convection currents occur when there is a …. in the temperatures of the liquids.
b- What happens when the water temperatures in bottles (A and B) are equal?
B-What happens when both bottle (B) is turned upside down and bottle (A) is turned downside down?
Illustrate with a drawing, using colors if possible.
In the picture in front of you:
a- The wind direction is the direction of the letter
b- The wind direction is determined by two factors:
Home performance (Homework):
Answer the following questions:
1-Explain the role of the gravity in water cycle in nature.
2-Explain the role of the sun in wind movement.
What happens if:
1-Place a jar with hot water (blue color) on the top of a jar with cold water (red color) (relative to mixing colors)
2- The difference of air particles temperature (relative to convection currents
Give reason: Dry air forms deserts.
Read the following statements then correct the incorrect ones:
1- The wind is formed by cold air rises up word then replaced by hot air.
2-Earth revolving is a reason for wind direction determination.
3-Heat transfers from hot water to cold water.
4-The volume of water pool increases by increasing the rainfall.
5- The water cycle helps to maintain a stable water level on Earth.
Weekly test: First Test
Complete the following:
1- The convection currents move in........... direction
2- When we put a jar of hot water blue color on the top of a jar with cold water red color, the colors
3- The warm moist air is dense
Give reason: The regions near the two poles are very cold.
What happen when: very dry wind blows over an area of the land.
Second Fest
Read the following statements then correct the incorrect ones:
1- The convection currents move horizontally.
2- Warm moist air is denser than cold one.
3- Water level in lakes is decreased due to increased evaporation.
What happens when: Very dry wind blows over an area of the land
Give reason: The regions near the equator are very hot.
Third Test
Complete the following:
1- The cold gases are dense than the warm gases
2-The air forms deserts.
3- The regions near the are very hot.
Give reason: Deserts formation.
What is the result of: The difference of air particles temperature (relative to movement)
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