"goes downward" is correct and usable in written English.
You can use it to indicate that something is moving in a downwards direction. For example, "The temperature goes downward as the night progresses."
Part of the light goes to the eyepiece viewfinder, and the other part goes downward to the autofocus sensor.
Close to 100% of the light goes downward, unlike conventional street lights which send a third of their glow into the night sky, causing light pollution.
A sound wave will get from whale A to whale B quicker if it goes downward, to exploit the greater sound speed at depth, and then comes back up.
So, the Refresh message goes downward within the tree till reaching all the sensor nodes.
The buoyancy-driven flux across an interface is always counter-current and is upwinded such that the heavier fluid goes downward and the lighter fluid goes upward.
The lumbar nerve goes downward from an angle of 20° at the upper level to 40° at the lower level.
"I watched as New Rochelle went downward," he said.
Do the circles inside the squares fill in, changing from white to gray to black, as they go downward?
Fuel prices are notoriously "flexible going upward, but sticky going downward," said Farrokh Hormozi, a professor of economics at Pace University in White Plains.
We had a brief period of happiness after independence, then the military came in, and everything has been going downward since then.
"I saw a flash in the window, turned toward it and saw a burning cloud, which was surrounded by smoke and was going downward — it reminded me of what you see after an explosion," she said.
