Grade 6: Science
TERM 1 UNIT 1: THE ENVIRONMENT
About the Unit
In this Unit, students will learn about climate change, its effects and ways of stemming it. They will explore the nature of solid waste pollution and identify ways in which this problem can be alleviated. In addition, they will study the causes of soil degradation, the methods of preventing soil degradation, and appreciate the importance of caring for the environment.
Range of Content
- The environment is all the physical surroundings on the Earth, including all living and non-living things, and which affects life on earth. Deserts, forests, wetlands, grasslands, marine, freshwater and tundra are examples of environments which differ in vegetation, animal life, soil and terrain and climate.
- Conserving the environment means trying to preserve natural resources so they will still be around in the future.
- The activities of people may affect the environment in good and bad ways. Human activities have caused serious environmental problems which have changed the earth and its climate, and have impacted the health of many living things.
- Climate change is a change in Earth’s overall average weather. Climate change is caused by an increase in the average temperature of the earth’s atmosphere due to the trapping of heat energy in the atmosphere.
Climate change has several detrimental effects including: harsher weather conditions (e.g. droughts), increased flooding (due to rising sea levels), distortion of the natural habitats and lives of many plants and animals.
- The effects of climate change may be mitigated through several practices such as: conserving energy, conserving water, recycling, and planting trees.
- Pollution is anything that damages or contaminates the environment. Solid waste is unwanted solid materials such as garbage, paper, plastics, metals, and wood. Solid waste is produced in homes, schools, and businesses (e.g. factories, farms, mines).
- Solid waste pollution is a threat to public health and the environment, and is a contributor to climate change.
- To minimise consequences of solid waste pollution on humans and the environment, solid waste should be properly managed. This includes its collection and transport to landfills (areas where garbage is buried) for processing or disposal, and monitoring of waste materials.
- The production of solid waste can be reduced through several methods including: recycling, proper disposal of garbage, composting.
Soil degradation is the weakening of the quality of soil as a result of human behaviour or severe weather conditions. Drought, flooding and human activities, such as deforestation, poor agricultural practices and urbanization, can all put pressures on fertile land, causing the soil to become degraded or polluted.
- Lectures 7
- Quizzes 12
- Duration 50 hours
- Skill level All levels
- Language English
- Students 54
- Assessments Yes
Light and Sound
Materials properties and uses