Four students were asked to construct a device that uses a chemical reaction to either release or absorb thermal energy. Which approach would be the most directly helpful towards that goal?(1 point)

Question

Responses

Ali is going to measure the mass before and after a reaction.
Ali is going to measure the mass before and after a reaction.

Jouri is going to read about the law of conservation of mass.
Jouri is going to read about the law of conservation of mass.

Martha is going to mix two chemicals together and measure their temperature to see if it changes.
Martha is going to mix two chemicals together and measure their temperature to see if it changes.

Seojun is going to sort the chemicals into different piles based on color.

Answer 1

The most directly helpful approach towards constructing a device that uses a chemical reaction to either release or absorb thermal energy is Martha's plan.

Martha is going to mix two chemicals together and measure their temperature to see if it changes. This approach allows her to directly observe the thermal energy changes associated with the chemical reaction, which is essential for understanding whether the reaction absorbs or releases heat.

In contrast, Ali's measuring mass and Jouri's reading about the law of conservation of mass do not directly address thermal energy changes, and Seojun's sorting based on color is not relevant to the task.