Characteristics Of Chemical Reactions Pretest

Characteristics Of Chemical Reactions Pretest

6th Grade

13 Qs

quiz-placeholder

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Characteristics Of Chemical Reactions Pretest

Characteristics Of Chemical Reactions Pretest

Assessment

Quiz

Science

6th Grade

Medium

NGSS
MS-PS1-2, MS-PS1-5, MS-PS1-4

+1

Standards-aligned

Created by

Katherine Sawyer

Used 182+ times

FREE Resource

13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Sodium and Chlorine react to form salt. At an atomic level, how do we know that a chemical reaction has occurred?

Salt molecules are negatively charged.

For every two sodium atoms, two chlorine atoms are needed.

The sodium and chlorine atoms rearrange to form a new molecule.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which statement is true?

Combining Substance A and B resulted in a chemical reaction because the temperature did NOT change.

Combining Substance C and D resulted in a chemical reaction because the temperature did NOT change.

Combining Substance A and B resulted in a chemical reaction because a gas was formed.

Neither combinations resulted in a chemical reaction because none of them changed color.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which statement is TRUE?

Cutting paper is an example of a chemical reaction because a new substance is formed and the process cannot be undone.

Burning paper is an example of a chemical reaction because a new substance is formed and the process cannot be undone.

Freezing water is an example of a chemical reaction because a new substance is formed and the process cannot be undone.

Tags

NGSS.MS-PS1-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A student see's bubbles begin to form within a mixture. the student believes this is a good sign that a chemical reaction has taken place. Explain why the bubbles are good evidence of a chemical reaction.

Bubbles are cool.

Bubbles are evidence of a chemical reaction because they indicate the presence of air.

Bubbles are REALLY cool

Bubbles are evidence of a chemical reaction because they indicate that a new substance (gas) has formed.

Tags

NGSS.MS-PS1-2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Chemical reaction or not?

yes

no

Tags

NGSS.MS-PS1-2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Is dissolving crystals/powder evidence of a chemical reaction?

yes

no

Tags

NGSS.MS-PS1-2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Hint: gas bubbles are being produced. Chemical reaction or not?

yes

no

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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