millgram
To measure out 20ml of water, you would need a measuring cup or a graduated cylinder with markers indicating milliliters. Pour the water into the measuring tool slowly until it reaches the 20ml mark.
Measuring Cylinder.
use a measuring cup
You would use a measuring cup or a graduated cylinder to measure the capacity of a container. Fill the container with water and then pour the water into the measuring cup or graduated cylinder to determine its volume.
depends how big it is
You would need a graduated cylinder or a measuring cup to accurately measure 50 ml of water.
No you would measure it in kilos, because its mass and volume are too great to measure in liters alone.
If you were to measure reflected radiation then you would be measuring the temperature of the source of light (the sun)! So you need to look at the emmited radiation (measured during the night) to guage the temperature of the ocean's surface.
Use water displacement. Measure water before you put the rock in it, and then again afterwards. Put a measuring cup large enough to hold the rock in a pot large enough to hold the measuring cup and fill the measuring cup to the very top with water. Lower the rock into the measuring cup carefully so that the water flows over and into the pot. Carefully remove the measuring cup with the rock without spilling any additional water into the pot. When you measure the water in the pot it will equal to the volume of the rock (accuracy will depend on how careful you were). This is displacement measuring.
Measuring cup
You would use a measuring cup or a graduated cylinder to measure the amount of water in a fish tank. Alternatively, you can also calculate the volume of water by measuring the length, width, and height of the tank and using a formula for volume.
You can use a measuring cup or a measuring jug to measure the water before pouring it into the washing machine. Make sure to follow the manufacturer's guidelines for the correct amount of water required for your specific machine and load size.