معالم سطح الأرض

Fill in the blanks with the correct terms: 1. __________ is the water in its three forms: solid, liquid, and gas. 2. __________ is everything that surrounds the Earth with gases. 3. __________ is that part of the Earth where life exists. 4. __________ is the surface of the Earth called the crust. 5. __________ are the natural features of the Earth's surface.

• Atmosphere

• Lithosphere

• Biosphere

• Hydrosphere

• Topography

Put a mark ( ) or ( ) in front of the following statements: 1. Water covers 70% of the Earth's surface ( ). 2. The solid lithosphere is divided into large plates called tectonic plates ( ). 3. The layer that follows the crust is called the core ( ). 4. The layers of the Earth are the crust, mantle, and core ( ). 5. A fault is the boundary that separates two plates from each other ( ). 6. The outer core is solid and the inner core is liquid ( ).

Choose the correct answer: Mountains that rise from the ocean floor without reaching the water's surface are called: 1. Oceanic ridges 2. Seamounts 3. Continental shelf.

• Oceanic ridges

• Seamounts

• Continental shelf

What are the flat plains on the ocean floor called? 1. Submarine mountains 2. A wide flat area on the ocean floor 3. A sloping valley.

• Submarine mountains

• A wide flat area on the ocean floor

• A sloping valley

What is the deepest part of the ocean floor? 1. Oceanic ridges 2. Seamounts 3. Continental shelf.

• Oceanic ridges

• Seamounts

• Continental shelf

What is the part of the Earth where all living creatures exist called? 1. Atmosphere 2. Hydrosphere 3. Biosphere.

• Atmosphere

• Hydrosphere

• Biosphere

The liquid layer of the Earth's core is called: 1. Inner core 2. Outer core 3. Mantle.

• Inner core

• Outer core

• Mantle

Fill in the blanks with the correct terms: 1. __________ is the location of the earthquake beneath the Earth's surface. 2. __________ is the shaking of the Earth's crust. 3. __________ is an opening in the Earth's crust from which magma erupts. 4. __________ is one of the main factors of chemical weathering. 5. Magma is called __________ when it reaches the Earth's surface. 6. __________ is the occurrence of earthquakes in the ocean floor, causing waves to move in all directions at high speed carrying immense power. 7. __________ is the process of transporting soil and rock fragments from one place to another. 8. __________ is used to measure the strength of earthquakes.

• Acid rain

• Earthquake

• Volcano

• Focus

• Lava

Put a mark ( ) or ( ) in front of the following statements: 1. Weathering is the process of breaking down rocks ( ). 2. Chemical weathering is breaking down rocks into smaller pieces without changing their chemical composition ( ). 3. Deposition is the process of transporting soil and rock fragments from one place to another on the Earth's surface ( ). 4. Erosion is the downward movement of rock fragments and dissolved materials by water away from the areas that carried them ( ). 5. Magma is called lava when it reaches the Earth's surface ( ).

Choose the correct answer: What are the types of fossil fuels? 1. 2. 3.