Interim Checkpoint 1 Review--6th Grade Science

The chemical symbol for nitrogen is —

• Na

• Ni

• Ne

• N

Which of the following correctly represents an element?

• Water – H2O

• Copper – Cu

• Carbon monoxide – CO

• Salt – NaCl

Tags

NGSS.MS-PS1-1

Which of the following substances represents an element?

• 2, 3, 5, and 6

• 2, 5, and 6

• 1 and 4

• 1, 3, and 4

Tags

NGSS.MS-PS1-1

Which of the following substances represents a compound?

• 2, 3, 5, and 6

• 2 and 6

• 1 and 4

• 1, 2, 3, and 4

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Compounds are pure substances. What other substances are considered pure substances?

• Chemical reactions

• Elements

• Mixtures

• Solutions

Which of the following substances is an element?

• CO2

• NaS

• Co

• KF

Which of the following is a compound?

• Co

• Fe

• H

• CO

Tags

NGSS.MS-PS1-1

Which model shown above best represents the element neon as a gas?

• Model A

• Model B

• Model C

• Model D

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-4

Which of the following is the symbol for chlorine?

• Ch

• C

• Cl

• Ce

Which of the following statements are characteristics of an element?

I. Elements are made from a mixture.
II. An element is a pure substance.
III. Elements are represented by a symbol.
IV. Elements make up matter on Earth.

• I, III

• II, IV

• II, III, IV

• I, IV