Unit 6 Almost There Review

Minerals can be identified according to their properties. Alan finds a mineral that is shiny. In which category does Alan's mineral belong?

• nonmetallic

• dull

• glassy

• metallic

Ms. Jones is teaching her class about rocks and minerals. She holds up a rainbow chocolate chip cookie and explains that the cookie is like a rock. Next, she points to the different colored chocolate chips. What do the chocolate chips represent?

• fossils

• gems

• minerals

• rocks

Tags

NGSS.MS-PS1-1

Which mineral listed in the table can be used to cut all of the other minerals?

• corundum

• diamond

• gypsum

• quartz

You have identified two minerals. They are calcite and quartz. Compare and contrast the properties of the two minerals. How can you EASILY tell them apart?

• check if one is shiny

• check if one scratches glass

• check to see which has bands

• check to see if one splits into sheets

Susie found an object. She wants to know if it is a mineral. Which characteristic about the object would mean it is NOT a mineral?

• the object is solid

• the object is man made

• the object has a crystal structure

• the object has definite chemical composition

"Today you will use this chart to help you identify some common minerals," instructed Mr. Grant, Jimmy's teacher. Each group of students was given three minerals to identify. Jimmy's group picked up the first mineral and noticed right away that it fell apart into thin layers or sheets.

What mineral did the group look at first?

• mica

• talc

• gypsum

• quartz

Metamorphic rock is changed into igneous rock by

• weathering and erosion

• melting followed by cooling and solidification

• sedimentation and lithification

• heat, pressure, and chemical activity

Under what conditions can igneous rock be transformed into metamorphic rock?

• if it is forced deep into Earth, where it melts into magma

• if it is heated and put under pressure for long periods of time

• if layers of sand accumulate over it and harden over a period

  of time

• if it is exposed at the surface and is weathered over a period

  of time

Which of these BEST describes the concept of the rock cycle?

• sedimentary rocks may be remelted several times

• rocks move in circles on the earth as the earth rotates

• rocks can be moved from place to place on the earth without changing

• rocks are continually changing, and any type of rock may be transformed into another type by appropriate processes

Tags

NGSS.MS-ESS2-1

"Metamorphosis" means to change form. Metamorphic rocks directly

form from

• igneous rocks

• magma deep within the Earth

• igneous, sedimentary, and metamorphic rock

• sediments that are compacted and then cemented