Finite resources
This lesson will look at the Earth's natural resources and products. We will also look at the difference between finite and renewable resources.
National Curriculum
For next step we recommend the unit: Chemical changes (FT).
9 lessons
This lesson will look at the Earth's natural resources and products. We will also look at the difference between finite and renewable resources.
This lesson will look at what life cycle assessments (LCAs) are, how they are carried out and how to analyse their data.
This lesson will look at the importance of reducing waste, reusing products and recycling both in terms of environmental impact and ensuring materials for the future.
This lesson will look at the difference between pure and potable water. We will look at how water is treated so that it is safe to drink and also we will also look at two methods of desalination.
In this lesson we will look at the required practical on potable water. We will recap how to test for pH and calculate the mass of dissolved substances in water from different sources. We will also look at distillation as a method for purifying water.
This lesson will look at why waste water needs to be treated before being returned to the environment. We will look at the stages of sewage treatment. We will compare which method is easiest for obtaining potable water.
This lesson will review the key concepts for this unit. We will recap finite and renewable resources, the importance of LCAs, how potable water can be obtained and the process of wastewater treatment.
This lesson will look at answering exam questions which have the command words 'compare' and 'evaluate'. We will look at specific examples of these questions with life cycle assessments and the treatment of potable water.
This lesson will look at the role that Kitty Hach Darrow played in the development of water analysis through the Hach company. We will also recap the importance of potable water.
Units in Combined Science