Nature and Earth
A very hard, natural substance found in the ground
Rock
To go inside a room, a building, or a house
enter
Not in danger, protected from harm
safe
A person who is fully grown (18 years or older)
Adult
When a lot of water covers land that is usually dry
Flood
to use teeth to break up food before swallowing
chew
containing as much or as many as possible, no more space
full
Something funny you say to make people laugh
Joke
A sudden shaking of the ground that can cause damage
Earthquake
to make something (like a house or a bridge) by putting parts together
build
difficult to stand on, because it is wet or oily, you might fall
slippery
To stay in a tent or outdoors for a short time
Camp
The distance from the top of the water to the bottom
depth
to offer to do work for free to help other people
volunteer
involving two or more different countries
international
An open area, of land or grass, often used for sports or farming
Field
describes a person who does not have a place to live
homeless
to give off light or be very bright, like the sun
Shine