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Mutations Learning Resource

Explore how changing the DNA sequence can change the amino acid sequence of a protein. Proteins are composed of long strings of amino acids. Proteins are coded for in the…

Oil and Water Learning Resource

Explore the interactions that cause water and oil to separate from a mixture. Oil is a non-polar molecule, while water is a polar molecule. While all molecules are attracted to…

Parachute and Terminal Velocity Learning Resource

How does an object’s speed change as it falls through the atmosphere? When first learning about how objects fall, usually just one force–îgravity–is considered. Such a simplification only accurately describes…

Pendulum Learning Resource

Explore the factors that affect a pendulum’s motion. A pendulum is a weight hung from a fixed point. Pendulums swing back and forth in a regular motion known as a…

Pendulum and Spring Learning Resource

Explore the motion of a pendulum suspended by a spring. A pendulum is a weight hung from a fixed point. Pendulums swing back and forth in a regular motion known…

Planet Hunting Model Learning Resource

How do scientists detect planets around distant stars? Use this model to explore how a star’s movement and light intensity are affected by an orbiting planet. Explore the effects of…

Plastic Forces Learning Resource

Explore what happens when a force is exerted on a polymeric plastic material. There are many different types of materials. Each material has a particular molecular structure, which is responsible…