General Aim of Density Simulation
To determine density of materials in the form of regular solid, irregular solid, and liquids through density simulation.
Method of Density Simulation
Direct measurements of mass and dimensions (or volume) in density measurements virtual lab using density simulator.
Learning Objectives (ILOs)
By the end of the density simulation, the student should be able to:
Define the density of a material using density virtual lab.
Understand that the density is a property of the material in the density simulation lab.
Identify the type of material from the density measurement through a virtual density testing lab.
Prepare a suitable experimental setup to determine the density of a material in the form of a regular solid, irregular solid, and liquids using density simulation.
Theoretical Background / Context
- Properties of a substance that depend on the amount of matter present are extensive properties; e.g., volume of any object is directly proportional to the mass of the object.
- Density is an intensive property that doesn't depend on the mass of the object. The density ρ can be defined as the ratio of the mass of the body to its volume
Principle of Work
- In the measuring density of solids and liquids lab, To determine the density of the material of an object, we have to find its mass and volume.
- The mass can be measured using a digital balance with high accuracy through mass and volume measurement for density.
(I) For solid objects with regular shape (block, cylinder, and a sphere), we can calculate their volume by direct measurement of their dimensions.
(II) For solid objects with irregular shape, we will use the displaced liquid method to determine the volume of the object.
(III) For liquids, in the density of liquids virtual lab, we place a graduated glass beaker over the electronic digital balance and tare its reading.
- Then slowly pour the liquid under investigation into the glass beaker while being over the balance.
- The reading of the balance gives the mass of the liquid added to the glass beaker, while the volume of the liquid is read off the glass beaker scale.
“With the onset of the COVID-19 pandemic, we found ourselves in a situation that forced us to act quickly to find the best solution available to provide our students with a quality molecular genetics laboratory experience.”
'' Although there are now several vendors offering virtual reality software for physics labs, there is only one that offers a realistic, I feel like I’m in a real lab, solution: PraxiLabs.''
" PraxiLabs offered my students a chance to actively engage with the material. Instead of watching videos on a topic, they could virtually complete labs and realize the practical applications of class topics. This is a quality alternative to in-person labs."
"Great user experience and impressive interaction, I am very pleased to have tried the simulations and will continue to do so."
