Show:
Chemistry
Chemical Change
Materials
Old Discoveries
Substances and Facts
100
chemistry is the study of what?
Chemical and physical changes
100
What is a chemical change?
What is when you can't bring something back.
100
When an object is designed and what it is important to choose the best material for the job?
What is made
100
In what year did a British chemist find that every element has its own atom?(in word form)
eighteen hundreds
100
In what chemists create new substances
addition
200
What situations can chemistry help with?
dust and sand storms
200
Can a man get his hair back if he is bald?
What is no
200
Materials have certain what and what?
Qualities and prosperities
200
what was the chemists name
John Dalton
200
they may have what
plastics fibers building material medicines
300
Some of what on page 10 use chemistry?
What is jobs
300
what have to be considered carefully?
strength and color and hardness
300
What did he discover?
He discovered that each element has its own atom
300
What is useful in every day life
substances
400
What is the woman looking into on Chemistry?
What is a microscope
400
What is the example?
What is when a man goes bald that is a chemical change
400
What may also be as important?
cost and availability
400
Other chemists discovered many new what during time?
elements
400
Many other substances are useful in every day what
life
500
What is this page all about?
What is Chemistry
500
Other blank may be important
factors
500
What country was John Dalton from?
britan
500
chemists continued to make discoveries of what
atoms