A group of students is investigating whether copper is a better thermal conductor than aluminium. The students take a copper wire and an aluminum wire of the same length and diameter. They put equal lengths of wax on one end of each wire and dip the other ends into a beaker of hot water. The length of wax left on the wire after 10 minutes in shown. Experimental observations: original length of wax copper 2cm aluminum 2 cm, length of wax after 10 minutes copper 0.7cm 1.2cm.
What was the independent variable in this experiment? A. Final length of wax, B. type of wire used., C. original length of wires
Answers
Answered by
2
u can search it on google for best result
Similar questions