3.2 modeling the properties of electromagnetic radiation

What are two primary ways scientists use models?

To represent ideas and concepts, and to understand them better

Besides understanding concepts, what are two other functions of models for scientists?

To generate hypotheses and plan experiments

The use of a game plan by coaches to explain strategies is a everyday example of a (blank)

Model

According to the key concepts, what can be used to model all types of electromagnetic radiation?

Visible light

What does the ray model of light explain?

It explains that light travels in straight lines

The model of light that explains its wave-like properties is known what model?

Wave

What aspect of light is explained by the particle model?

The particle model explains that light has particle-like properties

Which curricular competency involves showing an understanding and appreciation of evidence?

The ability to demonstrate an understanding and appreciation of evidence

According to the curricular competencies, what format should be used to formulate hypotheses based on questions?

The “if…then…” format

In a scientific investigation, what should a student do after identifying possible sources of error?

Suggest improvements to the investigation

What two types of guidelines must be followed during investigations to ensure proper conduct?

Safety and ethical guidelines