Plate tectonics

1. Bartley Secondary School
Upper Secondary Geography
Core Assignment 1 [Mark Scheme]
- 1 -
Name: ________________________________ ( ) Class: _____ Date: ___________
Marks
Topic: Plate Tectonics
Skills/Knowledge: - Describing distribution
- Drawing annotated diagrams
- Comparison questions
Question Overview:
Q1) With reference to Fig. 1, describe the distribution of tectonic hazards. [3]
Q2) Using an annotated diagram, describe the internal structure of the Earth. [5]
Q3) Compare between the Earth’s inner core and outer core. [3]
Teacher’s General Feedback:
Observation Tick and/or Comments
Lack content knowledge or incorrect referencing
Misconception of knowledge
Misinterpretation of question
Mis-analysis of question marks
Awkward expression of answer
Mismanagement of time / effort
Student Reflection:
1 Star (what way you did well)
1 Wish (what you could improve on based on
teacher’s feedback)
This has to do with how you answered. Do not just blindly copy the observation above!
Additional comments from student:
11

2. Bartley Secondary School
Upper Secondary Geography
Core Assignment 1 [Mark Scheme]
- 2 -
1 Study Fig. 1, which shows the distribution of natural hazards around the world.
Map showing distribution of natural hazards
Fig. 1
With reference to Fig. 1, describe the distribution of active volcanoes. [3]
- Most active volcanoes are located along the coastlines of western South America
and eastern Asia, (especially Indonesia and Japan).
- There are a few active volcanoes in the middle of the Atlantic Ocean / there are some
clusters of active volcanoes in the eastern and south-eastern region of Africa.
- Majority of the active volcanoes are found in places with earthquake activity, around
the Pacific Ocean.
2 Using an annotated diagram, describe the internal structure of the Earth. [5]
1 mark for correctly drawn and matched characteristic of each layer:
- Crust: basalt and granite rocks, few km to 70 km thick
- Mantle: mostly solid rock, 2900km thick and between 800oC and 3000oC
- Outer core: liquid layer, 2100km thick
- Inner core: solid layer, 1400km thick
- Full core: mostly iron and nickel material, 3000oC to 5000oC
3 Compare between the Earth’s inner core and outer core. [3]
- Both the inner and outer core are made up of mostly iron and nickel.
- The inner core is solid while the outer core is liquid.
- The inner core is thinner at 1400km thick while the outer core is thicker at 2100km
thick.