Unit 8.1 review 1

Coal forms from the remains of ancient plants. It is solid and occurs naturally, but it does not have a definite chemical composition or crystal structure. Is coal a mineral? 2 answers

• No, it does not have a crystal structure

• Yes, It is natural

• No, it does not have a special chemical composition

• Yes, it is solid

Diamond forms deep within the Earth under high pressure and temperature. It is a solid, has a crystal structure, and consists solely of carbon (C). Is diamond a mineral? 2 answers.

• Yes, it has a crystal structure and special composition

• No, there is no crystal structure

• No, there is no special composition

• Yes, it is solid and made in nature

Tags

NGSS.MS-PS1-1

Igneous rocks are formed from ​ (a)   rock that has​ (b)  

• melted
• cooled and solidified
• solid
• melted and softened

Sedimentary rocks are formed by ​ (a)   materials that are ​ (b)   together

• eroded
• cemented and compacted
• melted
• glued and molded

Metamorphic rock is formed when ​ (a)   rocks are exposed to intense ​ (b)  

• igneous and sedimentary
• pressure and heat
• small and large
• cold and wet

Tags

NGSS.MS-ESS2-1

Where is the lava?

Tags

NGSS.MS-ESS2-2

Where is the magma?

Tags

NGSS.MS-ESS2-1

Melted rock above the surface is ____

Tags

NGSS.MS-ESS2-2

Melted rock below the surface is ____

​ (a)   is when rock are broken into ​ (b)   pieces by ​ (c)  

• Erosion
• small
• wind or water
• cemented
• large
• lava or magma

Tags

NGSS.MS-ESS2-2