Composition of the Earth

Q. The uppermost layer of the earth is called the _____.

1. crust
2. mantle
3. core
4. silica

Q. Which of the following isn't a layer inside of earth ?

1. Mantle
2. Core
3. Crust
4. Atmosphere

Q. The core is composed of __________.

1. sima
2. sica
3. sial
4. nife

Q. Which of the following parts is the oceanic crust?

1. 
2. 
3. 
4. 

Q. Our Earth is made of _____ layers.

1. homogeneous
2. even
3. concentric
4. uniform

Q. The uppermost layer of the Earth's surface is called the .

1. mantle
2. crust
3. core
4. magma

Q. The Continental Crust is also called the SiAl layer.

1. False
2. True

Q. Any natural mass of mineral matter that is a part of the earth's _____ is called a rock.

1. core
2. mountains
3. crust
4. mantle

Q. Which of the following is the thickest part of the Earth?

1. Mantle
2. Inner core
3. Outer core
4. Crust

Q. Main mineral constituents of the continental mass of the crust are _____.

1. sial
2. sima
3. misa
4. sica

Q. The second layer of the earth is called _____.

1. crust
2. mantle
3. core
4. lithosphere

Q. Thickness of the crust on the ocean floor is about _____.

1. 35 km
2. 5 km
3. 15 km
4. 100 km