Rock types.

How are rocks classified based on their origin?

• Igneous, sedimentary, and metamorphic
• Granite, basalt, and slate
• Clay, coal, and petroleum
• Marble, limestone, and granite

Which rocks are formed deep inside the earth?

• Granite
• Basalt
• Slate
• Clay

How are sedimentary rocks formed?

• From pieces of other rocks
• From substances dissolved in water
• From magma eruptions
• From animal and plant remains

What are examples of sedimentary rocks?

• Coal
• Petroleum
• Limestone
• Granite

Tags

NGSS.MS-ESS1-4

How are metamorphic rocks formed?

• Under great pressure or heat
• From magma eruptions
• From substances dissolved in water
• From pieces of other rocks

What are examples of metamorphic rocks?

• Slate
• Marble
• Coal
• Clay

Tags

NGSS.MS-ESS2-1

Why are rocks classified based on their hardness?

• To differentiate between hard and soft rocks
• To identify their colour
• To determine their weight
• To classify them as igneous, sedimentary, or metamorphic

What are some uses of rocks mentioned in the video?

• Making utensils
• Building houses
• Generating electric power
• Creating plastics

Which rock is used for making a slate roof?

• Slate
• Granite
• Clay
• Marble

What is petroleum used for according to the video?

• Making plastics
• Generating electric power
• Building houses
• Creating utensils

Tags

NGSS.MS-PS1-3