Question

HELP ASAP PLEASE!!!!!

A student wants to study the effect of adding thermal energy to a system. Which of the following experiments should the student perform?

Heat water and record its change in temperature with time.
Freeze water and record its change in temperature with time.
Close a circuit by adding a paperclip and record if the blub glows.
Close a circuit by adding a wooden piece and record if the bulb glows.

Answer 1

A

Step-by-step explanation:

Answer 2

Heat water and record its change in temperature with time