CHEMISTRY REVIEW

CHEMISTRY REVIEW

10th Grade

70 Qs

quiz-placeholder

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CHEMISTRY REVIEW

CHEMISTRY REVIEW

Assessment

Quiz

Chemistry

10th Grade

Medium

NGSS
HS-PS1-7, HS-PS1-1, HS-PS1-5

+4

Standards-aligned

Created by

Rachel Yglecias

Used 2+ times

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70 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A student observes that a certain metal rusts quickly when left outdoors. Which of the following is the BEST scientific question the student could ask based on this observation?

Why is metal useful?

What are the different types of metal?

What factors affect how quickly this metal rusts?

Is rust a dangerous substance?

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A science textbook states that increasing the temperature of a reaction generally increases the rate of the reaction. To define a problem based on this information, a student might ask:

What is the fastest reaction?

How does temperature affect the rate of this specific reaction?

Are all reactions affected by temperature?

What are the products of this reaction?

Tags

NGSS.HS-PS1-5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A scientist uses a ball-and-stick model to represent a methane molecule (CH4). What is the primary purpose of this model?

To show the color of each atom in the molecule.

To accurately depict the size of the molecule.

To illustrate the arrangement of atoms and bonds within the molecule.

To show the movement of electrons in the molecule.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A flowchart is used to represent the steps in a chemical reaction mechanism. This flowchart serves as a:

Physical model.

Mathematical model.

Conceptual model.

Computational model.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A student performs an experiment multiple times and obtains the following measurements for the density of a substance: 2.71 g/mL, 2.69 g/mL, 2.72 g/mL, and 2.55 g/mL. The value 2.55 g/mL appears to be:

A precise measurement.

An accurate measurement.

An outlier, possibly due to error.

The average density.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A graph shows that as the concentration of a reactant increases, the rate of the reaction also increases. This represents a:

Source of error.

Statistical feature.

Pattern in the data.

Limitation of the experiment.

Tags

NGSS.HS-PS1-5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A student collects data on the mass and volume of several aluminum samples. To determine the density of aluminum, the student should:

Add all the mass values together.

Subtract the smallest volume from the largest volume.

Divide the total mass by the total volume.

Divide the mass of each sample by its corresponding volume and then calculate the average.

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