The planet we live on.
Earth
To go up using hands and feet.
Climb
Bags and items you take when traveling.
Luggage
A person who studies the natural world.
Scientist
A woman that a man plans to marry is called this.
Fiancée
This is the highest part of something, such as a mountain.
Top
To travel on water in a ship or a boat
Sail
A vehicle used to cross water.
Ship
Something you don’t tell everyone.
Secret
Travel from one place to another.
Journey
A mountain that can erupt with fire and rocks.
Volcano
To go after something or someone.
Follow
A small river of flowing water.
Stream
Below ground
Underground
Axel is this to Professor Lidenbrock.
Nephew
A big, wide hole, often made by a volcano.
Crater
To go to a place or someone's house
Visit
A tool that helps travelers know which way is north.
Compass
A beautiful stone found in caves.
Crystal
This person helps travelers find their way.
Guide
The lowest part of something, like a deep hole.
Bottom
When something dangerous like a volcano bursts with fire and rocks.
Erupt
A thing that helps you see in the dark.
Lamp
A long hole in the ground, often leading deep into the Earth.
Tunnel
To come to a place.
arrive