Earth and Space Science

Question 1

what is a sediment?

Answer 1

sediments are parts of larger rocks that have been eroded due to weathering

Question 2

how are sedimentary rocks formed?

Answer 2

a sedimentary rock is formed when loose sediments are eroded to an area in which they are trapped. they are then compacted and cemented over millions of years, forming a sedimentary rock

Question 3

which rock type can have fossils in them?

Answer 3

sedimentary rocks

Question 4

name 5 types of sedimentary rock

Answer 4

1. coal
2. conglomerate
3. limestone
4. sandstone
5. breccia

Question 5

what are the three main rock types?`

Answer 5

1. igneous
2. sedimentary
3. metamorphic

Question 6

name 5 examples of igneous rock

Answer 6

1. basalt
2. granite
3. obsidian
4. pumice
5. diorite

Question 7

name 5 examples of metamorphic rock

Answer 7

1. phyllite
2. schist
3. gneiss
4. quartzite
5. marble

Question 8

what is a metamorphic rock?

Answer 8

a metamorphic rock is a rock that started out as some other type of rock, but has been changed from its original form by heat and pressure

Question 9

how are metamorphic rocks formed?

Answer 9

when rocks are subjected to high heat and pressure

Question 10

what is an igneous rock?

Question 11

how are igneous rocks formed?

Question 12

what is the difference between intrusive and extrusive rock?

Question 13

how are extrusive igneous rocks formed?

Question 14

how are intrusive igneous rocks formed?

Question 15

which layer of earth would you expect weathering to occur?

Answer 15

crust

Question 16

what are the 4 layers of the earth?

Answer 16

1. crust
2. mantle
3. outer core
4. inner core