Classroom Resources: Chemistry Basics
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Observations, Density, Physical Properties, Mixtures, Mixtures  Elementary School
Activity: ColorWorks in a Jar
Students will be using three ingredients to create a liquid colorworks mixture in a jar. This is a fun chemistry project to do with young elementary students around the 4th of July or New Year’s Eve to get the children excited about fireworks.

Separating Mixtures, Density, Mixtures, Chemical Change, Intermolecular Forces, Physical Change, Intermolecular Forces  Middle School
Lab: Clean it Up!
In this lab, students will consider and utilize various separation techniques to purify and reclaim used motor oil.

Observations, Density, Inferences, Measurements  High School
Lab: Colors of the Rainbow
In this lab, students will practice density calculations and put their calculations to test by creating their own density column.

Density, Review, Accuracy, Dimensional Analysis, Measurements, Accuracy, Experimental Design, Error Analysis  Middle School, High 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.

Observations, Density, Mixtures, Chemical Change, Chemical Change, Physical Change, Acid Base Reactions, Mixtures  Elementary School
Lab: Analyzing a Lava Lamp
In this lab, students create a mixture of oil, water and food coloring, and then add an AlkaSeltzer tablet, to create a homemade lava lamp. Student will record their observations during each step of the process and answer followup questions about the chemical and physical changes that took place.

Density, Melting Point, Inferences, Elements, Periodic Table, Matter, Chemical Properties  Elementary School
Lesson Plan: Mystery Metals
In this lesson, students will make measurements, calculations, and inferences to help solve a mystery about the identity of an unknown metal.

Density, Mole Concept, Dimensional Analysis  High School
Lab: Moles of Food
In this lab, students will analyze the nutrition label of a variety of foods to find the amount of specific elements in each serving. Students are asked to evaluate and compare the data in a series of questions, in order to convert the values to moles. This lab gives students the opportunity to see the connection between the chemistry mole concept and everyday foods.

Observations, Density, Temperature, Gas Laws, Density, Pressure, Physical Change, Identifying an Unknown, Molar Mass, Ideal Gas, Volume, Error Analysis  High School
Lab: Molar Mass of Dry Ice
In this lab, students will use gas laws to calculate the molar mass of dry ice and then use the information to identify the compound that makes up this substance.

Density, Introduction, Interdisciplinary, Accuracy, Dimensional Analysis, Measurements, Scientific Notation, Significant Figures, Accuracy, Error Analysis, Error Analysis  High School
Lab: Math and Measurement
In this lab, students will practice introductory math skills that will be used in chemistry all year. This includes metric conversion, significant figures, scientific notation, dimensional analysis, density, percent error, accuracy and precision, as well as using lab equipment.

Observations, Density, Mixtures, Inferences, Mixtures  High School, Middle School
Demonstration: Density Tubes
In this demonstration, students will have the opportunity to observe and analyze the density of a solution. Students will interpret their observations as they compare the density of the solution with plastic components.

Density, Physical Properties, Temperature, Gas Laws, Density, Pressure, Molecular Motion, Ideal Gas, Volume
Simulation: Density
The simulation for the September 2015 issue allows students to investigate the effect of changing variables on both the volume and the density of a solid, a liquid, and a gas sample. Students will analyze the different states of matter at the particle level as well as quantitatively.

Density, Molecular Motion  High School, Middle School
Simulation: Simulation Activity: Density Simulation
In this simulation, students will investigate the effect of changing variables on both the volume and the density of a solid, a liquid and a gas sample. Students will analyze the different states of matter at the particle level as well as quantitatively. This lesson accompanies the simulation from the September 2015 issue of Chemistry Solutions.