All Higher Education Resources
- Atomic Structure
Explore ion formation, isotopes, and electron orbital placement using interactive models of atomic structure.
- Boiling Point
This model allows you to explore why polar and non-polar substances have very different boiling points.
Explore the effects of homogeneous catalysts.
- Cellular Respiration
Explore how your body converts the chemical energy of glucose into the chemical energy of ATP.
- Ceramic Forces
Explore what happens when a force is exerted on a ceramic material.
- Charged and Neutral Atoms
Explore the role of charge in interatomic interactions.
- Comparing Dipole-Dipole to London Dispersion
Investigate the difference in the attractive force between polar and non-polar molecules.
- Diffusion Across a Semipermeable Membrane
Explore the role of pore size in the diffusion of a substance across a membrane.
- Diffusion and Molecular Mass
Explore the role of a molecule's mass with respect to its diffusion rate.
- Diffusion and Temperature
Explore the role of temperature in the rate of diffusion of a substance.
- Diffusion of a Drop
Explore the random molecular motion of a dye in water.
- Diffusion, Osmosis and Active Transport
Explore how water and ions can diffuse both passively and actively through cell membranes.
- DNA to Protein
Explore what DNA is and how proteins are synthesized from the genetic information stored in it.
- DNA to Protein
Explore how the code embedded in DNA is translated into a protein. Transcription of DNA and translation of mRNA are modeled.
- Electrons in Atoms and Molecules
The interactions of electrons with matter are central to many technologies from transistors, diodes, and smoke detectors to sophisticated imaging, lasers, and quantum computing.
Discover how atoms can be charged, and manipulate charge and distance to examine Coulomb's Law.
- Excited States and Photons
Investigate how atoms can be excited to give off radiation.
- Factors Affecting London Dispersion Attractions
Explore the role of size and shape in the strength of London dispersion attractions.
- How Electrons Move
Discover the forces affecting the movement of electrons, including electric and magnetic fields.
- Hydrogen Bonds: A Special Type of Attraction
Explore the polar molecule interactions known as hydrogen bonds.
- Intermolecular Attractions and States of Matter
Explore how states of matter are related to the strength of intermolecular attractions.
- Introduction to Quantum Mechanics
Discover the quantum nature of electrons including their wave nature, tunneling abilities, and their bound and excited states.
- Metal Forces
Explore what happens when a force is exerted on a metallic material.
- Modeling Transcription
Explore how an mRNA copy is made of DNA.
- Modeling Translation
Explore how a protein is made from an mRNA sequence.
- Molecular View of a Gas
Explore the structure of a gas at the molecular level.
- Molecular View of a Liquid
Explore the structure of a liquid at the molecular level.
- Molecular View of a Solid
Explore the structure of a solid at the molecular level.
Explore how changing the DNA sequence can change the amino acid sequence of a protein.
- Oil and Water
Explore the interactions that cause water and oil to separate from a mixture.
Explore the factors that affect a pendulum's motion.
- Pendulum and Spring
Explore the motion of a pendulum suspended by a spring.
- Phase Change
Explore what happens at the molecular level during a phase change.
- Plastic Forces
Explore what happens when a force is exerted on a polymeric plastic material.
- Polarity and Attractive Strength
Explore the role of polarity in the strength of intermolecular attractions.
- Protein Folding
Explore how hydrophobic and hydrophilic interactions cause proteins to fold into specific shapes.
- Quantum Tunneling
Explore the unique concept of quantum tunneling and its importance to modern technology.
- Scanning Tunneling Microscopy
Use a virtual scanning tunneling microscope to explore the quantum tunneling effect.
- Seeing Intermolecular Attractions
Explore different types of attractions between molecules.
Explore the structure and behavior of natural and doped semiconductors.
Explore why excited atoms emit different wavelengths of radiation and learn how to identify atoms based on their unique atomic spectra.
- Spring and Mass
Explore the factors that affect a spring's motion.
- The Temperature-Pressure Relationship
Explore the relationship between the temperature of a gas and the pressure it exerts on its container.
- The Temperature-Volume Relationship
Explore the relationship between the temperature of a gas and its volume.
- The Volume-Pressure Relationship
Investigate the relationship between the volume of a gas and the pressure it exerts on its container.
- Tire Forces
Explore what happens when a force is exerted on a rubber tire.
- Transistors: The Field Effect
The field effect transistor is the most common type of transistor.
- What is Pressure?
Explore pressure at the atomic level.