POWDERS AND CRYSTALS






Define each of the following words:
 
 
matter oxidation solid
mass combustion liquid
molecule element gas
physical change compound melt
chemical change mixture dissolve
evaporation vapor boiling point

1.  Explain the three states of matter.  Describe the characteristics of each state.  What is necessary to change the states of matter?

2.  Explain the difference between a chemical and physical change and give several examples of each.

3.  Explain the difference between an element, compound and mixture.  Give three examples of each.

4.  Choose five elements from the elements list.  Write at least two sentences describing each element.
 

5  Choose one of the scientists below.  Write a report of at least two paragraphs describing what contribution the scientist made to the study of matter and energy.
 
 
Neils Bohr Ernest Lawrence
Marie Curie Alfred Nobel
Antoine Lavoisier Joseph Priestly


 

Hotlist for finding answers to:
    Definitions
    Questions 1-4

Chem4 Kids

The Science Explorer
 

What is Matter?
 
 

Investigate the sites below for information on the scientist of your choice.
Welcome to Dr. K's Science Education Bookmarks of Famous Scientists

Scientists from the Modern Era
 

PS/SM@L.R.  2001