MS-PS4-2:

One way to develop and use a model to describe how waves are reflected, absorbed, or transmitted through various materials is by using a wave model. This model can be represented by a diagram or a physical setup.

In this model, waves can be represented as a series of crests and troughs that travel through space or a medium. When these waves encounter a material, they can interact with it in different ways.

Reflection occurs when waves bounce off the surface of a material. This can be represented by showing the waves hitting the material and bouncing back in the opposite direction. The angle at which the waves bounce off the material is equal to the angle at which they hit it.

Absorption occurs when waves are absorbed by the material and do not continue to travel through it. This can be represented by showing the waves being absorbed by the material and not continuing on the other side. The energy of the waves is converted into other forms, such as heat.

Transmission occurs when waves pass through a material and continue to travel on the other side. This can be represented by showing the waves passing through the material without being reflected or absorbed. The waves may change direction or speed when they pass through the material, depending on its properties.

By using this wave model, we can describe and understand how waves interact with different materials and how they are reflected, absorbed, or transmitted.

MS-LS1-8:

To gather and synthesize information about how sensory receptors respond to stimuli and send messages to the brain, we can use various sources of information.

One way is to conduct experiments or observations to directly observe the responses of sensory receptors. For example, we can observe how the eye responds to different colors or how the skin responds to different temperatures. These observations can provide direct evidence of how sensory receptors respond to stimuli.

Another way is to gather information from scientific studies and research papers. These sources can provide detailed information about the structure and function of sensory receptors, as well as the mechanisms by which they send messages to the brain. By synthesizing information from multiple studies, we can gain a comprehensive understanding of how sensory receptors work.

Additionally, we can use textbooks, educational websites, and other educational resources to gather information about sensory receptors. These sources often provide explanations and diagrams that can help us visualize and understand the processes involved in sensory perception.

By gathering and synthesizing information from various sources, we can develop a comprehensive understanding of how sensory receptors respond to stimuli and send messages to the brain for immediate behavior or storage as memories.