1) Mention any four characteristics of life.

* Life exists almost everywhere on Earth .

* Earth possesses a great variety of diverse life forms.

* All living things have certain characteristics in common.

* Cells.

* Obtain and use energy.

* Adapt/Evolve.

* Reproduction.

* Respond to the environment .

2) How are organisms classified from Domain to atom?

* Each organism is classified in a domain, kingdom, phylum, class, order, family, genus , and species.

3) What is the diffeence between inducible logic versus deducible logic?

4) Define the words: Biosphere; Population; Community; and Ecosystem.

5) Define the terms: Matter; Molecule; and Compound

6) What are the four types of chemical bonds? And describe the properties each of the four kinds of chemical bonds.

7) What are the subatomic parts of an atom and briefly describe their characteristics.