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Worksheets

Science Reviewer

Total questions: 23

Worksheet time: 23mins

Name
Class
Date
1.

Who first believed that chemistry was made up of 4 elements?

(a)  

2.

What were the earliest practical applications of Chemistry?

(a)  

3.

Believed that matter was composed of indivisible particles called atomos?

(a)  

4.

Which branch of chemistry focuses on the study of carbon-containing substances?

(a)  

5.

Who helped revolutionize chemistry by establishing the concept of conserved mass of substances during chemical reactions?

(a)  

6.

What are the 4 elements?

(a)  

7.

Which branch of chemistry indentifies and quantifies the components of a sample of substance?

(a)  

8.

Who pioneered the emergence of systemic mining and smelting in the sixteenth century?

(a)  

9.

is the practice of transforming metals into precious metals?

(a)  

10.

who made the discovery of the medicinal applications of minerals?

(a)  

11.

a greek philosopher who added the fifth element aether/ether?

(a)  

12.

who described an element as a substance that cannot be broken down into simpler substances, which debunked the four element theory?

(a)  

13.

is a branch of science that deals with the sudy of matter, its composition, properties and structure, and the changes it undergoes

(a)  

14.

the end of what century marked the decline of alchemy and the four element theory?

(a)  

15.

Who established the modern atomic theory in 1803?

(a)  

16.

is the study of the chemical process within living oganisms

(a)  

17.

are plant derived, nonessential nutrients that aid in disease prevention and give therapeutic effects.

(a)  

18.

Focuses on the behavior of matter in chemical systems at the molecular and atomic levels

(a)  

19.

these supplements are used for headaches, nausea, fatigue and diarrhea

(a)  

20.

Is the utilization of living systems and biological processes to develop products or food; and the technological applications of biology to help meet human needs

(a)  

21.

studies the substances that contain little or no carbon, including metals and minerals

(a)  

22.

It uses microorganisms, and is one of the oldest and most economical means of producing and preserving food.

(a)  

23.

are products derived from food sources with extra physiological benefits in addition to the basic nutritional value found in food

(a)