Ch 2, Inside Our Earth

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Class 7, Geography

1.Fossils include the remains of

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Plants

Animals

Both plants and animals

Only snakes

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2. Limestone changes into marble when subjected to

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heat

heat and pressure

erosion

pressure

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3.The molten rocks are called

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sediments

sima

sial

magma

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4.The thinnest layer of the earth is the

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crust

mantle

outer core

inner core

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5.The average radius of the mantle is about

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2,300 km

2,900 km

3,500 km

3,900 km

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6. Which layer of the earth is made up of iron and nickel?

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core

crust

mantle

lithosphere

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7. Granite, chalk, clay and salt are examples of

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rocks

minerals

fossils

metals

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8.The rocks which are formed from molten magma are called _______ rocks.

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sedimentary rocks

igneous

metamorphic

metallic

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9.The fossil fuels are found in ________ rocks.

1 point

igneous

sedimentary

metamorphic

volcanic

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10.Which of the following rocks not a metamorphic rock?

1 point

Quartzite

marble

Granite

Slate

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