Rocks, Soil and Minerals

Rocks, Soil and Minerals Worksheet-4

Multiple-Choice Question:

1. The Earth’s core is made up of:

(A) Volcanoes             (B) Molten rock         (C) Sand

2. Which of the following is most useful for the growth of plants?

(A) Humus                  (B) Sand                      (C) Small rocks

Rocks, Soil and Minerals Worksheet-5

Multiple-Choice Question:

1. Molten rocks inside the Earth’s core are known as:

(A) Magma                 (B) Lava                       (C) None of these

2. ____ is the only igneous rock that can float.

(A) Granite                 (B) Pumice                  (C) Obsidian

Rocks, Soil and Minerals Worksheet-6

Multiple-Choice Question:

1. Molten rock that flows out when a volcano erupts is known as:

(A) Lava                      (B) Magma                 (C) None of these

2. ____ are formed by cooling and solidification of molten rocks.

(A) Igneous rocks

(B) Sedimentary rocks

(C) Metamorphic rocks