Using a Spreadsheet to Understand Density

How can one easily classify metals, nonmetals, and metalloids? Pupils answer this question as they experiment with unknown substances and perform tests on conductivity, brittleness, and malleability to determine which unknown belongs in...

Investigators construct a makeshift balance and compare equal volumes of wax and water. They do the same for clay and water. Then they discover whether the wax and clay will float or sink in water. Ultimately this is a comparison of...

Did you know you can melt the metal gallium with just the heat of your hand? Pupils observe and test materials in order to classify them as metal or non-metal. A reading passage and analysis questions wrap up the lesson. 

How exciting would it be for your chemistry class to produce their own "gold"? This experiment allows pupils to witness the chemical reaction of copper pennies as they react with zinc and sodium hydroxide to produce "gold" tokens. It is...

We know solids have a density we can measure, but what about liquids? Lesson explores this concept and allows scholars to explore the relationship between volume and density. Graphing and analysis questions round out the activity. 

Create layers of water. Pupils investigate different densities of colored water caused by salinity by trying to stack layers of water. Scholars compare two water samples to determine which is the most dense. As the class members work...

Larvae transportation on the New England seamounts is based on the density of the water. Scholars calculate density and graph salinity versus temperature to better understand the distribution of organisms in a water column. Discussions...

Are your learners' oxidation skills a little rusty? Shake it off using an informative and engaging resource. Scholars view a video in the ACS Reactions channel to learn why metals rust. They see how oxidation and reduction (redox)...

Don't be dense—use a robust resource. The second installment of a five-part Floaters and Sinkers unit has learners determine the densities of several objects. As part of the activity, they learn the displacement method for finding...

Students find the density of diet soda and regular soda. For this density lesson plan, students measure the mass of a graduated cylinder with 10 different volumes of each soda. They find the mass of the liquid alone and use the volume to...