Mark Levesley, Chris Meunier, Fran Eardley and, Gemma Young Solutions for Exercise 18: End of chapter review
Mark Levesley Science Solutions for Exercise - Mark Levesley, Chris Meunier, Fran Eardley and, Gemma Young Solutions for Exercise 18: End of chapter review
Attempt the free practice questions from Exercise 18: End of chapter review with hints and solutions to strengthen your understanding. Cambridge Lower Secondary Science Stage 7 : Student's Book solutions are prepared by Experienced Embibe Experts.
Questions from Mark Levesley, Chris Meunier, Fran Eardley and, Gemma Young Solutions for Exercise 18: End of chapter review with Hints & Solutions
Name the four layers of the earth?
Complete the table below to show which layer of the earth is being described. The first one has been done for you:
| Letters | Description | Layer |
| Made from semi-molten rock | Mantle | |
| Made from solid rock | ||
| Made from solid iron and nickel | ||
| Made from molten iron and nickel |
Explain why igneous rocks that form deep underground have different sized crystals from igneous rocks that form at the surface.
Where are the oldest layers of rock usually found in a cliff made from sedimentary rocks? Why is this the case?
There are different types of soil that contain different amounts of clay or sand. Compare how well clay soil and sandy soil holds water (stay wet). Explain your answer.
Different types of rock form in different ways. State how igneous, sedimentary and metamorphic rocks are formed.
Different types of rock form in different ways. State which type never contains fossils and explain why?
Explain why there are gaps in the fossil record.
