What farming practices can maintain good soil quality? Use the model to compare the effects of different landscapes, different crops, different tillage strategies, and climatic factors on soil quality and erosion rate. Watch the graphs to see how much topsoil is left in each zone and compare the erosion rates. Watch the soil quality indicator […]
People like to avoid large temperature swings in buildings because it’s more comfortable. The heat capacity of the building is useful in reducing swings, especially in solar houses where the incoming energy varies with the amount of sunshine. This model allows you to explore the effect of heat capacity on temperature swings.
Modify an existing molecule and observe how different atoms affect the electron distribution within the model.
Observe the effects of temperature on chemical reactions.
When heat energy is transferred from a warm to a cold object, one cools down and the other warms up, but the total energy remains the same. This model allows you to watch this process and explore how to determine the final temperature.
Explore what happens when a force is exerted on a metallic material. There are many different types of materials. Each material has a particular molecular structure, which is responsible for the material’s mechanical properties. The molecular structure of each material affects how it responds to an applied force at the macroscopic level.
Observe changes in potential energy as molecules self-assemble into micelles.
Explore how mixing two different liquids together can result in less total volume by investigating at the molecular level.
Explore how an mRNA copy is made of DNA. Protein complexes separate the DNA helix to allow complementary mRNA nucleotides to bind to the DNA sequence. The pairing of nucleotides is very specific.
Explore how a protein is made from an mRNA sequence. In translation, the mRNA leaves the nucleus and attaches to a ribosome. Transfer RNA (tRNA) molecules bring amino acids to the ribosome. The tRNA pairs up with the mRNA nucleotide sequence in a specific complementary manner, ensuring the correct amino acid sequence in the protein.