Can you me check some science questions
1. what is true for two pieces of iron at the same >
a. the average kinetic energy of their particles is the same.
b. the total kinetic energy of their particles is equal.
c. heat flows from the larger object to the smaller object.
d. heat flows from the object with higher potential energy to the object with lower potential energy.
2.what happens when the temperature of an object increases?
a. the particles move closer together.
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b. the particles move faster.
c. the number of particles increases.
d. the particles stop moving.
3.to remove a tight-fitting lid from a jar, megan runs the lid under hot water. what happens to the jar lid when its temperature increases?
a. the potential energy increases, and the lid contracts.
b. the potential energy decreases, and the lid expands.
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c. the temperature increases, and the lid expands.
d. the temperature decreases, and the lid contracts.