Rocks

Question 1

3 main types of rocks?

Answer 1

Igneous, sedimentary, metamorphic.

Question 2

Physical features of igneous rocks?

Answer 2

Rock looks shiny and glasslike, tiny holes and spaces (due to gas bubbles), crystals.

Question 3

Physical features of sedimentary rocks?

Answer 3

Fairly soft and can break apart easily, can see stones, sand or pebbles in the rock.

Question 4

Physical features of metamorphic rocks?

Answer 4

Layers, may have crystals.

Question 5

Examples of igneous rocks?

Answer 5

Basalt (volcanic), granite (plutonic).

Question 6

Examples of sedimentary rocks?

Answer 6

Limestone, mudstone, coal, sandstone.

Question 7

Examples of metamorphic rocks?

Answer 7

Marble, quartz, diamond.

Question 8

What are igneous rocks?

Answer 8

Formed when magma cools and solidifies.

Question 9

What are sedimentary rocks?

Answer 9

Made from fragments of other rocks which have been cemented together by natural cements and pressure.

Question 10

What are metamorphic rocks?

Answer 10

Formed from sedimentary and igneous rocks which have been changed because of intense heat and pressure.

Question 11

What are volcanic igneous rocks?

Answer 11

Igneous rocks formed on the surface of the volcano. Also called extrusive igneous rocks. Smaller crystals because there is less time for crystals to form out of a volcano.

Question 12

What are plutonic igneous rocks?

Answer 12

Igneous rocks formed inside the volcano. Also called intrusive igneous rocks. Larger crystals because there is more time for crystals to form inside a volcano.