1
It is protection from the unpleasant effects or elements of something.
2
It is a model of an object in which all the dimensions are in proportional ration with the actual dimensions of that object.
3
Fuels, such as petroleum, which formed from the decayed remains of ancient microscopic, ocean plants and animals that lived millions of years ago.
4
It is a commom example of fuel.
5
It is wood prepared for us in building and capentry.
6
The name of the planet where human live.
7
Is a term to describe the capacity of a body to do work.
8
Is a substance that reacts with oxygen to produce energy, often in the form of heat or light.
9
What is measured in horsepower or watts?
10
It is considered a nonrenewable resource.
11
A fossil fuel created in ancient tropical swamps from rapidly buried plant material.
12
It is considered a renewable resource.
13
It is the excrement of animals; manure.
14
What is the most common form of transportation in our society?
