Eighth Grade Science S8P1.a LP2.1

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5 questions

Note from the author:

1

S8P1.aLP2.1

A

B

C

D

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. 

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 

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. 

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. 

A

B

C

D

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. 

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 

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. 

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. 