Salinity

Salinity is a measure of the concentration of dissolved salts in water. It is an important factor in oceanography, as well as in the study of freshwater bodies such as lakes and rivers.

Factors Affecting Salinity

Salinity can be influenced by various factors, including evaporation, precipitation, and the input of freshwater from rivers and streams. The processes of freezing and melting of ice also play a role in the salinity of water bodies.

Measuring Salinity

Salinity is typically measured in parts per thousand (ppt), which represents the number of grams of salt per kilogram of water. There are various methods for measuring salinity, including the use of conductivity, refractive index, and chemical titration.

Effects of Salinity

Salinity levels can have significant impacts on the properties of water, including its density, freezing point, and conductivity. It also plays a crucial role in the distribution of marine organisms and the overall dynamics of ocean circulation.

Study Guide

What is salinity?
Explain the factors that can affect the salinity of water bodies.
How is salinity typically measured?
Discuss the effects of salinity on the properties of water and its impact on marine ecosystems.

◂Physics Worksheets and Study Guides High School. Light and Optics

Vocabulary/Answer key

Light and Optics

Vocabulary/Answer key

Light and Optics

Vocabulary/Answer key

Light and Optics

The resources above cover the following skills:

Skills And Processes: The student will demonstrate ways of thinking and acting inherent in the practice of science. The student will use the language and instruments of science to collect, organize, interpret, calculate, and communicate information.

The student will pose scientific questions and suggest investigative approaches to provide answers to questions.

The student will test a working hypothesis. (NTB)

The student will use appropriate methods for communicating in writing and orally the processes and results of scientific investigation.

The student will describe similarities and differences when explaining concepts and/or principles.

The student will use mathematical processes.

The student will use ratio and proportion in appropriate situations to solve problems.

Concepts Of Earth/Space Science: The student will demonstrate the ability to use scientific skills and processes (Core Learning Goal 1) to explain the physical behavior of the environment, Earth, and the universe.

The student will identify and describe techniques used to investigate the universe and Earth.

The student will describe the purpose and advantage of current tools, delivery systems and techniques used to study the universe.

Concepts Of Physics: The student will demonstrate the ability to use scientific skills and processes (Core Learning Goal 1) to explain and predict the outcome of certain interactions which occur between matter and energy.

The student will investigate certain topics in modern physics.

The student will cite evidence of the wave/particle duality in the nature of matter.