# Classroom Resources: Gases

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1 – 5 of 5 Classroom Resources

• Density, Lab Safety, Combustion | High School

### Demonstration: Density of Gases and Particle Diagrams

In this demonstration, students will observe the teacher carry out two combustion reactions. First the teacher will burn a small sample of propane gas in a beaker. Next the teacher will burn a small sample of methane gas. Students will create particle diagrams in order support their explanation and model their observations as they improve their understanding of gas density.

• Density | High School

### Lab: Gas Density and Relative Molecular Mass

In this lab, students will quantitatively determine the densities of four gases.

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

### Demonstration: Qualitative Look at Gas Density

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

• Density, Density | Middle School, High School

### 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.

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Subtopic: Density