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Eighth Grade Science S8P1.a LP2.1

Last updated over 6 years ago

5 questions

Note from the author:

S8P1.aLP2.1

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Question 1

1.

A

B

C

D

Question 2

2.

A. Oxygen is an element because its most basic unit is a single type of atom.

B. Oxygen is a compound because its most basic unit is a single type of atom. 

C. Oxygen is a mixture because its most   basic unit contains more than one particle.

D. Oxygen is a compound because its most basic unit contains more than one type of particle. 

Question 3

3.

Beatriz wants to make a mixture out of her bowl of blueberries. Which of the following would turn her bowl of blueberries into a mixture?

A. adding more blueberries to the bowl 

B. adding raspberries to the bowl 

C. cutting up the blueberries 

D. mashing the blueberries 

Question 4

4.

A. an element made of carbon and oxygen atoms 

B. a solution made of carbon and oxygen atoms. 

C. a compound of carbon and oxygen atoms. 

D. a mixture of carbon and oxygen atoms. 

Question 5

5.

Sam's mother is cooking breakfast in a cast-iron frying pan. If the pan is made only of iron, what can Sam conclude?

A.  The pan is a pure substance with the chemical symbol Fe. 

B.  The pan is a pure substance with the chemical symbol F. 

C.  The pan is a pure substance with the chemical symbol Ir 

D.  The pan is a pure substance with the chemical symbol I. 