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sense organ(Eye and Ear)-Ways in which technology can extend sense organ.
Human physical senses There are inventions or devices that can extend the human physical senses of sight, hearing, taste, smell, pressure, temperature and gravity. Sight devices Our sight is limited to the visible spectrum and certain brightness levels. Some devices used to extend our ability to see are detectors that see wavelengths beyond human capabilities.Night-sight…...
Science CBT Mock Exam July 2018
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Natural Resources- Effects of environmental problems on humans
Effects of environmental problems on humans The severity of these health risks will depend on the ability of public health and safety systems to address or prepare for these changing threats, as well as factors such as an individual’s behaviour, age, gender, and economic status. Impacts will vary based on a where a person lives,…...
Natural Environment-Effects of human activities impact the environment
PRACTICE QUESTION In your own words what is the environment? For many years the environment has provide us with many things that has lasted from the being of time till now. List 4 of these things the earth has provided for us. List five ways we can protect the environment. Give reason for each ways…...
Natural Resources-Conserving the natural environment
What is the environment? When we talk about our environment we mean everything in the world around us which can affect our lives. When we talk about the environment we mean everything in the world around us that surrounds and affects all life on earth, including the air, food chains, the water cycle, plants, animals…...


