* Thermometers: These react to changes in temperature by expanding or contracting the liquid inside.
* Barometers: These react to changes in air pressure, which can indicate changes in weather.
* Photosensitive materials: These materials react to light, such as the film in a camera or the light-sensitive cells in a solar panel.
* Plants: While plants are technically living things, their responses to the environment often seem mechanical. For example, a plant will grow towards the sun, even though it doesn't "think" about it.
* Certain types of crystals: Some crystals can change color or shape in response to changes in temperature, pressure, or light.
Important Note: While these non-living things react to the environment, it's crucial to understand that their responses are not the same as the responses of living things. Living things have a complex internal system that allows them to sense changes in the environment and respond in a coordinated way. Non-living things, on the other hand, simply respond to physical or chemical stimuli.
