How are there currents in the ocean?
Those currents are the result of thermohaline circulation. "Thermo" means heat and "haline" means salt. Thermohaline circulation is the result of the difference in the saturation of salt and temperature moving the water on the surface.
How does the salt effect it?
The salt is constantly moving. This is because nature always tries to balance itself. Since sometimes areas of the water have more salt than the other, the salt will move to the area with less salt; creating movement in the water.
How does the temperature effect it?
Temperature is the amount of movement of each molecule in a substance. The higher the temperature, the more the molecules move; the further apart they are, the lower the density. Differences in density means there's an area with a relatively higher/lower pressure. Substances in a high-pressure area will move to a low-pressure area to balance it.
(To get to the 200-word goal, prepare for bonus facts!)
Laws of Motion
- Any object that is either moving or not moving will remain in that state unless another force is exerted upon it.
- The amount of force an object exerts is it's mass multiplied by its acceleration. F=ma
- For every action, there will be an opposing and equal reaction. For example, when you push your feet downwards, the ground pushes upwards against it. However, you will move upwards for the ground is stable, and you are relatively not.
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