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Earth Science and Chemistry Worksheet

Authored by Rachel Leach

Chemistry

7th Grade

Earth Science and Chemistry Worksheet
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the three main layers of the Earth?

Crust, mantle, core

Crust, ocean, sky

Mantle, ocean, crust

Core, water, air

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the core made of?

Iron and nickel

Copper and zinc

Aluminum and tin

Lead and silver

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do giant structures have high melting points?

There are strong attractions between the particles

They contain a lot of water

They are made of gases

They have weak bonds between atoms

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the general equation for the reaction between an acid and a carbonate?

acid + carbonate → salt + water + carbon dioxide

acid + carbonate → salt + hydrogen gas

acid + carbonate → salt + oxygen + water

acid + carbonate → salt + ammonia + water

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What salt is formed when a metal carbonate reacts with hydrochloric acid?

metal chloride

metal sulfate

metal nitrate

metal phosphate

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are igneous rocks formed?

When molten rock cools and solidifies

By the accumulation of plant material

Through the compression of sand and mud

By the evaporation of water leaving minerals behind

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What salt is formed when a metal carbonate reacts with nitric acid?

metal nitrate

metal sulfate

metal chloride

metal phosphate

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