1.
A crunchy fruit that keeps the doctor away
2.
A vehicle that runs on tracks
3.
A large natural stream of water
4.
A piece of furniture to sit on
5.
Organized sound that is pleasant to hear
6.
A visible mass of water vapor in the sky
7.
An expression of happiness
8.
A staple food made from flour and water
9.
The star at the center of our solar system
10.
An animal that lives in water and has gills
11.
A plant with a trunk and branches
12.
A set of written or printed pages bound together
13.
A white liquid produced by mammals
14.
The natural satellite of Earth
15.
An animal with feathers and wings
