Quiz (3rd period)

Jobs can be divided in three sectors which are

Primary sector

Secondary sector

Tertiary sector.

Which of the following sectors belong to the raw materials from nature.

• Primary sector

• Secondary sector

• Tertiary sector

It is the organization of authority that controls and makes decisions for the people of a society. There are different forms of rules.

• Transportation

• Government

• Monarchy

The ____________ can be divided into two smaller categories of time: Paleolithic and Neolithic.

• Roman Empire

• Stone Age

• Middle ages

The ______________ established a feudal system.

• Stone age

• Metal age

• Middle ages

____________________is anything that takes up space, has volume and mass

• Atom

• Matter

• Molecules

___________ is the amount of mass in a certain space or volume.

• Density

• Atom

• Solid

When a new substance has been created and cannot be reversed a ____________________ happens

• physical change

• matter

• chemical change

Select an example of a physical change.

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Select an example of a homogeneous mixture.

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Select an example of a heterogeneous mixture.

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