# Classroom Resources: Gases

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1 – 7 of 7 Classroom Resources

• Density, Density, Chemical Change, Observations, Chemical Change, Combustion | Elementary School, Middle School

### Demonstration: Investigating Gas Density

In this demonstration, students will observe a reaction between baking soda and vinegar in the presence of a burning candle. The initial environment has plenty of oxygen present in order to sustain the candle’s flame; however the reaction will produce carbon dioxide which will cause the lit candle to extinguish. Students will analyze the outcome and compare the presence of the gases in the container and make determinations about the densities of each.

• Gas Laws, Kinetic Molecular Theory, Ideal Gas, Temperature, Volume, Pressure, Density, Density, Experimental Design, Scientific Method | High School, Middle School

### Access is an AACT member benefit. Activity: Hot Air Balloon

In this activity, students use their knowledge of Charles’ law to build a hot air balloon and evaluate its design.

• Chemical Change, Density, Chemical Change, Density | Elementary School, Middle School, High School

### Demonstration: Fire Extinguisher

In this demonstration, students will observe a chemical reaction, and see how the product can be used to extinguish a fire.

• Density, Density, Observations, Inferences | High School, Middle School

### Access is an AACT member benefit. Demonstration: Qualitative Look at Gas Density

In this demo, students witness three types of gases and observe their relative densities to air.

• Gas Laws, Matter, Density, Density, Temperature, Pressure, Volume, Graphing, Observations, Measurements | High School, Middle School

### Access is an AACT member benefit. 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.

• Density, Density, Chemical Change, Observations, Inferences | High School, Middle School

### Access is an AACT member benefit. Demonstration: Comparing Gas Density

In this demonstration, students will observe a reaction between baking soda and vinegar in the presence of a variety of different heights of lit candles. The initial environment has plenty of oxygen present in order to sustain the candle’s flame; however the reaction will produce carbon dioxide which will cause the lit candles to extinguish in order of height. Students will analyze and compare the presence of the gases in the container and make determinations about the densities of each.

• Molecular Motion, Density, Physical Properties, Density, Gas Laws, Ideal Gas, Temperature, Pressure, Volume | Middle School, High School

### 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.

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Subtopics: Density