In this STEM activity, students are provided with a variety of materials to build a hot air balloon. Teams of students will use their knowledge of density and heat transfer to design, construct, and test their balloon. The activity concludes with flight testing the balloons and then a review of the design features of all balloons for the most advantageous design features.

Students calculate the mass, volume, and densities of both regular and irregular shaped objects.

In this chemistry field lab, students will determine the density, pH and water content of 4 types of soil; 1) prairie soil, 2) transition soil, (where the prairie meets the trees) 3) woods soil, and 4) riverbed soil at various locations in and around the Fergus Falls area. Students will compare class data and write a lab report describing their results. A detailed lab report format will be provided. Students will also analyze their findings and report on the various differences and similarities found in their soil samples.

In this activity, students demonstrate the role density plays in water circulation and paves the way to discussing thermohaline circulation.

With this resource, students are required to accurately measure both mass and volume in order to calculate density.

In this activity, students will use thier knowledge of cloud types and density to estimate the mass of clouds.

Students use the water displacement method to find the volume of different rods that all have the same mass. They calculate the density of each rod and use the characteristic density of each material to idenfity all 5 rods.

Students will define density and use the density formula to determine the density, volume, and mass of various items using the correct units for each measurement.

In this activity, students fold and crumple aluminum foil to investigate density and compare foil's density to water.

Sample Learning Goals
Determine how changing a variable among P, V, N, and T influences other gas properties.
Describe the relationship between particle-wall collisions and pressure.
Predict how changing temperature will affect the speed of molecules.
Predict the speed of molecules in thermal equilibrium based on the relative masses of molecules.
Identify when pressure-volume work is done on or by a gas.
Explain how two gases mix.
Design an experiment to find the factors which affect the rate of diffusion.

Sample Learning Goals
Describe the behavior of the gas particles in the box.
Identify the relationship between pressure, volume, temperature, and number of gas molecules.
Describe the relationship between particle-wall collisions and pressure.
Predict how changing temperature will affect the speed of molecules.

In this lesson, we focus on what matter is. Matter has a formal science definition as anything that has mass and takes up space (or has volume). This lesson covers matter, mass, and volume in some depth.

Your challenge in this activity will be to create a "diver" which will float, but can be made to sink as well. Remember that floating occurs because the air in your "diver" is less dense than water. When you compress air (put the same amount of air in a smaller area) you can increase the density of the air. Air compression will cause your floating "diver" to sink.

With this resource, students will use their senses and scientific equipment to make observations and then use the observations to make predictions about density.

In this activity, students will compare the desities of various objects and solve a problem of which kind of candy bar is the best value for the purchase.

Through this lesson, students will be able to identify and describe what matter is and how it can be classified. They will also investigate different types of matter and their unique physical properties, specifically density.

This activity will gives a way to estimate the mass and volume of a gas like air. What kind of container can we use to hold the air? A beaker? A graduated cylinder? It would just leak out, and they are probably already filled with air, so these containers wouldn't work too well. We will use a balloon, since it is made just for this purpose!

In this activity, students will demonstrate the effect that temperature has on particle motion and volume.