Subject: Science
Grade: Chemistry
Snapshot: Snapshot #4
Standards: Ⓡ CHEM.10B, Ⓡ CHEM.10E, Ⓡ CHEM.10F, Ⓢ CHEM.10D, Ⓢ CHEM.10A, Ⓡ CHEM.8B, Ⓡ CHEM.8D
Recommended Administration Window: February 2-6, 2015
Standard
Question Number
Question Type
Level of Rigor (DOK)1
Details
Ⓡ CHEM.10B Develop and use general rules regarding solubility through investigations with aqueous solutions.
Q1
MC
1
Student uses a table of solubility rules to identify which of a set of chemicals is soluble.
Q2
MC
2
Student identifies which pair of substances can be separated through filtration.
Q3
MC
3
Student analyzes an incomplete chemical reaction involving precipitates from aqueous solutions to identify the missing compound.
Ⓡ CHEM.10E Distinguish between types of solutions such as electrolytes and nonelectrolytes and unsaturated, saturated, and supersaturated solutions.
Q1
MC
1
Student identifies the definition of one of the terms from the standard.
Q2
MC
2
Student uses a solubility curve to determine either the quantity of a substance that can be dissolved in a given amount of water at a given temperature, or the temperature at which a given quantity of a substance can be dissolved in a given amount of water.
Q3
MC
2
Student uses information about an investigation and terminology from the standard to explain an observation from the investigation.
Ⓡ CHEM.10F Investigate factors that influence solubilities and rates of dissolution such as temperature, agitation, and surface area.
Q1
MC
1
Student identifies which of a list of methods would speed or slow the rate of dissolution of a substance.
Q2
MC
2
Student uses a graph showing solubility curves to identify the substance whose solubility has a specified property or rate.
Q3
MC
3
Student analyzes a graph of solubility curves and information from an experiment to determine the identity of an unknown substance.
Ⓢ CHEM.10D Use molarity to calculate the dilutions of solutions.
Q1
GR
2
Student calculates the quantity or molarity of a substance necessary for a specified dilution.
Q2
MC
3
Student analyzes information about possible dilutions to determine which one was calculated correctly or incorrectly.
Ⓢ CHEM.10A Describe the unique role of water in chemical and biological systems.
Q1
MC
2
Student identifies an example of a unique property of water that contributes to its role in chemical and/or biological systems.
Q2
MC
1
Student identifies the property of water that enables it to perform specified functions.
Ⓡ CHEM.8B Use the mole concept to calculate the number of atoms, ions, or molecules in a sample of material.
Q1
MC
4
Student evaluates a calculation involving the concepts in the standard to determine why the