Classroom Resources: Quantitative Chemistry
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Periodic Table, Elements, Percent Composition  Middle School
Activity: The Universe of Elements
In this activity, students are introduced to the periodic table and its elements. Student will discuss that all material in the Universe is composed of elements and that the atom is the smallest particle that still has the physical and chemical properties of any given element. Students will engage in an activity to determine the percent composition of common elements in the universe, and based on their results they will hypothesize the identity of each element based on its relative abundance.

Density, Measurements  Elementary School, Middle School
Lab: Weight Just a Minute!
In this lab, students will learn how volume and mass affect density as they make comparisons and calculations.

Concentration, Mixtures, Interdisciplinary, Scientific Method, Measurements  Middle School, High School
Lab: Effect of Salt Concentration on Plants
In this lab, students will observe how salt concentration can affect the structure of a potato tuber.

Significant Figures, Measurements, Accuracy, Density, Accuracy, Error Analysis, Error Analysis  Middle School, High School
Lab: Significant Figures and Lab Data
In this lesson, students will use laboratory equipment of different precision to collect data for several different metals, and then use the data to calculate the density of each. They will then compare their calculated densities to accepted values and determine the combination of equipment that leads to the most accurate calculation of density.

Temperature, History, Accuracy, Physical Properties  Elementary School, Middle School, High School
Video: The Temperature Guys Video
This video tells the story of how temperature as we currently know it evolved. The first thermometers invented in the early 1600s are very different than ones we use today!

Density, Matter, Physical Properties, Measurements  Elementary School, Middle School, High School
Animation: Density Animation
This animation explores density on the particulate level. There are opportunities to make qualitative and quantitative comparisons between substances. **This video has no audio**

Conservation of Mass, History, Observations, Measurements, SI Units  Elementary School, Middle School, High School
Video: Antoine Lavoisier Video
This video tells the story of Antoine Lavoisier who many consider to be the father or modern chemistry. Lavoisier discovered oxygen and hydrogen and first proposed the Law of Conservation of Mass.

Dimensional Analysis  High School, Middle School
Activity: Unit Conversion Online Tutorial
In this activity, students will interact with a webbased tutorial that uses a drag and drop interface in order to learn how to convert between units of measurement using dimensional analysis. The tutorial allows students to learn at their own pace, and also provides feedback while they are solving problems.

Concentration, Solute & Solvent, Mixtures, Solubility, Percent Composition  Middle School
Lab: The Perfect KoolAid Concentration
In this lab, the students will investigate how the concentration of a solution affects its properties such as color and taste.

Kinetic Molecular Theory, Pressure, Gas Laws, Volume, Temperature, SI Units, Molecular Motion  High School, Middle School
Activity: Simulation Activity: Gas Law Variables
In this simulation, students investigate variables of a gas. From the computer models, they can see how pressure, temperature, and volume effect gas behavior.

Scientific Notation  High School, Middle School
Activity: Scientific Notation
In this activity, students are actively involved in putting numbers into scientific notation and taking numbers out of scientific notation.

Gas Laws, Matter, Density, Density, Temperature, Pressure, Volume, Graphing, Observations, Measurements  High School, Middle School
Lab: Pressure Bottle
In this lab, students determine the relationship between volume and pressure of a gas and its temperature and address the common misconception that air does not have mass or density.

Percent Composition  High School, Middle School
Lab: Percent Composition of M&M's
In this lesson, students explore the idea of percent composition by investigating different varieties of M&M’s.

Density, Dimensional Analysis, Review, Measurements, Accuracy, Accuracy, Experimental Design, Error Analysis  High School, Middle School
Lab: Bowling Ball—Will it Sink or Float in Water?
In this lab, students will find the density of a bowling ball to determine whether it will sink or float in water.

Separating Mixtures, Percent Composition, Mixtures, Interdisciplinary, Measurements  Middle School
Lab: Metallic Breakfast
In this lab, students will separate iron filings from ironfortified breakfast cereals. Students will use the recorded data to conduct percent composition calculations.

Percent Composition, Scientific Method, Introduction, Percent Composition  Middle School
Lab: Mass Percent
In this lesson, students will develop a theory of how to calculate percent composition.

Conservation of Mass, Measurements, Conservation of Mass, Chemical Change, Observations, Physical Change, Chemical Change  High School, Middle School
Lab: Mass & Change
In this lab, students will use unified particle pictures of solid, liquid, and gas to explain the law of conservation of mass after carrying out various experiments.