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WorksheetsInterim Checkpoint 1 Review--6th Grade Science
Total questions: 12
Worksheet time: 7mins
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
Which of the following substances represents an element?
2, 3, 5, and 6
2, 5, and 6
1 and 4
1, 3, and 4
Which of the following substances represents a compound?
2, 3, 5, and 6
2 and 6
1 and 4
1, 2, 3, and 4
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
Which model shown above best represents the element neon as a gas?
Model A
Model B
Model C
Model D
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
Which of the following do NOT describe an element?
1. A mixture of different chemicals
2. Represented by a symbol that contains one uppercase letter
3. Represented by a symbol that can contain a second uppercase letter
4. Represented by a symbol that can contain a lower case letter
5. A pure substance
6. Can be identified using the periodic table
1 and 4
1, 3, and 4
2, 3, 5, and 6
1 and 3
Glucose is a sugar that humans need to survive. It forms as a result of plants undergoing photosynthesis. The chemical formula for glucose is C6H12O6. How many different elements are in glucose?
(a)
