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Weekly Words
Test Description: Weekly Words
Instructions: Answer all questions to get your test result.
1) What is a chemical element that is found in the air and is a colorless, odorless, and tasteless gas that is necessary for life?
A
helium
B
hydrogen
C
organism
D
oxygen
2) What are tiny single-celled organisms that can be found on, in, and around most living and nonliving things?
A
molecule
B
insect
C
bacteria
D
fungi
3) What is a single particle of matter that is made up of two or more atoms and are joined chemically?
A
atoms
B
hydrogen
C
bacteria
D
molecule
4) What is the definition of hydrogen?
A
a colorless, odorless, and tasteless flammable gas that is the lightest of chemical elements
B
a single particle of matter made up of two or more atoms joined together chemically
C
a living thing made up of one or more cells and able to carry on the activities of life
D
a chemical element found in the air as a colorless, odorless, and tasteless gas that is necessary for life
5) What is the definition of organism?
A
a single particle of matter made up of two or more atoms joined together chemically
B
a chemical element found in the air as a colorless, odorless, and tasteless gas that is necessary for life
C
a nonliving thing that cannot grow, move, breathe, and reproduce
D
a living thing made up of one or more cells and able to carry on the activities of life
6) What is the definition of oxygen?
A
a chemical element found in the air as a colorless, odorless, and tasteless gas that is necessary for life
B
a single particle of matter made up of two or more atoms joined together chemically
C
tiny single-celled organisms that can be found on, in, and around most living and nonliving things
D
a colorless, odorless, and tasteless flammable gas that is the lightest of chemical elements
7) What is a colorless, odorless, and tasteless flammable gas that is the lightest of chemical elements?
A
helium
B
oxygen
C
hydrogen
D
organism
8) What is the definition of bacteria?
A
a living thing made up of one or more cells and able to carry on the activities of life
B
tiny single-celled organisms that can be found on, in, and around most living and nonliving things
C
a single particle of matter made up of two or more atoms joined together chemically
D
simple organism, or living thing, that is neither a plant nor an animal
9) What is the definition of molecule?
A
the basic unit of a chemical element
B
a chemical element found in the air as a colorless, odorless, and tasteless gas that is necessary for life
C
a single particle of matter made up of two or more atoms joined together chemically
D
tiny single-celled organisms that can be found on, in, and around most living and nonliving things
10) What is a living thing made up of one or more cells and is able to carry on the activities of life?
A
organism
B
bacteria
C
molecule
D
organ
*select an answer for all questions
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