1) The layer on the outside of Earth is called the _________________- a) core b) mantle c) crust 2) The layer in the middle of Earth is called the _________________- a) core b) mantle c) crust 3) The centre of Earth is called the _________________- a) core b) mantle c) crust 4) The centre of Earth is called the core and the temperature is ________________ a) high b) low c) cool 5) The mantle is the middle layer of the Earth and it contains hot flowing _______________. a) magma b) water c) lava 6) The crust is made up of several _______________. a) pizzas b) plates  c) bowls d) cups 7) Plate movement and collision may cause natural disasters like ____________________ and volcanic eruptions.  a) earthquakes b) typhoon c) storm 8) The Earth's crust is mainly made of ______________. a) water b) rocks and soil c) magma 9) Which of the following types of rocks are formed when magma cools and hardens? a) Sedimentary rocks b) Igneous rocks c) Metamorphic rocks 10) Which of the following is a type of igneous rocks? a) Granite b) Sandstone c) Marble 11) What characteristic of rocks can be observed by scratching the rock with a key? a) Grain sizes b) Hardness c) Weight 12) Which of the following types of rocks has the largest grains? a) Granite b) Sandstone c) Marble 13) Which of the following types of rocks are often used to make sculptures? a) Granite b) Sandstone c) Marble 14) Which of the following types of soil has the smallest particles (can drain the smallest amount of water)? a) Clay soil b) Loam c) Sandy soil 15) Which of the following types of soil has the largest particles (can drain the largest amount of water)? a) Clay soil b) Loam c) Sandy soil

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