This famous tower in France is associated with love and romance.
Eiffel Tower
Viruses and bacteria
This person is the leader of a country (like in Brazil or the USA).
President
You can do this in elections.
Vote
Brazil was colonised by this country.
Portugal
This structure in China helps understand how people protected their country.
Great Wall of China
This kind of growth of diseases is more gradual (20, 40, 60, 80...)
Arithmetic growth
In this system, people vote for their leaders.
Democracy
Children have the right to go here.
School
People in Brazil used to speak this language.
Tupi
This is the biggest rainforest in the world.
Amazon Rainforest
This kind of growth of diseases is much faster (20, 40, 80, 160...)
Exponential growth
In this system, a king or queen is the leader.
Monarchy
You must follow these in society.
Laws
This trade route was used by europeans to trade Silk, Spices and other goods.
Silk Road
This breathtaking natural wonder in Arizona, USA, is more than 2 billion years old.
Great Canyon
When people travelled in ancient times, they had diseases due to a lack of:
Hygiene
This place is where laws are made.
Parliament / Congress
You should respect this in other people (ideas, culture, religion).
Differences / Opinions
How many languages exist in Brazil?
More than 160
This kind of traveling is based on walking and climbing high places.
Hiking
How can we prevent traveling diseases?
Vaccination
This system has only one leader with total power.
Dictatorship
This is something you must do (not a right).
Duty / Responsibility
These people raided across Europe to take their resources and land.
Vikings