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Unit 2 Pre-Assessment

Authored by Mackenzie Kroll

Science

8th Grade

NGSS covered

Used 4+ times

Unit 2 Pre-Assessment
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35 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1

2

4

6

Tags

DOK Level 1: Recall

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

4

7

12

3

Tags

DOK Level 2: Skill/Concept

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

According to the Law of Conservation of Mass, which of the following statements is true?

Mass can be created and destroyed.

Mass is neither created nor destroyed in a chemical reaction.

Mass is always lost in a chemical reaction.

Mass is always gained in a chemical reaction.

Tags

DOK Level 1: Recall

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Because the number of hydrogen and oxygen atoms are the same on both sides of the equation.

Because the number of molecules is the same on both sides of the equation.

Because the mass of the reactants is greater than the mass of the products.

Because the mass of the products is greater than the mass of the reactants.

Tags

DOK Level 3: Strategic Thinking

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

3

4

5

6

Tags

DOK Level 2: Skill/Concept

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

46 grams

71 grams

117 grams

142 grams

Tags

DOK Level 3: Strategic Thinking

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following compounds contains the most oxygen atoms?

CO2

H2O

SO2

Al2(SO4)3

Tags

NGSS.MS-PS1-1

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