A person who studies science.
Scientist
Visiting interesting places, especially when traveling.
Sightseeing
A large area of land or part of the world.
Region
Not noisy; peaceful.
Quiet
Causing strong interest or enthusiasm.
Exciting
A person who travels to another place for pleasure.
Tourist
A holiday on a large ship that travels to different places.
Cruise
Traveling with a backpack, usually cheaply and moving from place to place.
Backpacking
Dirty air, water, or land caused by harmful substances.
Pollution
A trip to look at wild animals, usually in Africa.
Safari
A group that works to protect nature and wildlife.
Environmental organization
The group of people who control a country.
Government
Outside; in nature, not indoors.
Outdoors
Getting smaller in number or amount.
Decreasing
Animals and plants that live in nature, not kept by people.
Wildlife