Question

1. on a hot summer day, a piece of ice is removed from a cooler and placed in a cup that is sitting on a picnic table. which of the following statements are true about what happens to the ice and the cup over time? choose the two that apply.

a. heat moves from the ice to the cup.
b. the particles in the ice start to move faster.
c. both the ice and the cup change state.
d. the cup changes temperature.

Explanation:

• Heat transfer occurs from a warmer object to a cooler one. The cup (warmer) transfers heat to the ice (cooler), not the other way around (so A is wrong).
• When ice absorbs heat (from the cup and surroundings), its particles gain energy and move faster (B is correct).
• The ice changes state (melts from solid to liquid), but the cup remains in the solid state (so C is wrong).
• As the cup loses heat to the ice, its temperature decreases (D is correct).

Answer:

B. The particles in the ice start to move faster; D. The cup changes temperature.