do they increase or decrease the deeper you go down?
pressure
temperature
light
On land or in water?
water
We'll be glad to check your answers.
Pressure typically increases the deeper you go down, while temperature and light tend to decrease.
To understand why pressure increases as you descend, you can think of the weight of the layers of air or water above. The weight of these layers creates a force that pushes down, resulting in increased pressure. In the case of Earth's atmosphere, pressure increases by about 1 atmosphere for every 10 meters of depth. In the ocean, pressure increases by 1 atmosphere for every 10 meters of depth as well.
As for temperature, it generally decreases as you go deeper. This is because sunlight or heat from the surface becomes more scattered and less intense with depth. In the ocean, for example, sunlight can only penetrate a few hundred meters, and below that, temperature decreases steadily. In the Earth's atmosphere, the troposphere, which is closest to the surface, experiences a decrease in temperature with altitude, known as the lapse rate.
Lastly, light also decreases as you go deeper. Sunlight can only penetrate a certain distance into water or soil, and beyond that point, it becomes nearly or completely absent. This is why deep-sea environments or underground caves are darker than the surface.
In summary, pressure increases, while temperature and light decrease as you progress deeper.