Experimental technique- designing a fair experiment-exercise 1

If you said "A" you are correct. In order to conduct a fair test we must have a control. In setup "A" both beakers are identical and have exactly the same amount of water. The beaker in the clear container is compared to the control, which is the beaker left outside in the sun.

Click to hide the solution

Good experimental design exercises-1

Irene was told that water heats up quickly on a hot, sunny, day if placed in a clear plastic enclosure. She designed the four experiments shown below.

Which set up represents a fair test? Explain.
Solution

Good experimental design exercises-1
Irene was told that water heats up quickly on a hot, sunny, day if placed in a clear plastic enclosure. She designed the four experiments shown below. Which set up represents a fair test? Explain. Solution
Continue