1. On a hot summer day, you picked up a glass of hot water. How will you describe the heat of the glass and your hand?
A. the heat is equal on your hand and on glass
B. heat is transferred from your hand to the glass
C. heat is transferred from the glass to your hand
D. the particles are moving faster in the glass than your hand
2. A cup of tea with a temperature of 70°C is placed on a table in a 20°C room. What happened to the thermal energy and molecular motion of the tea when it is left on the table?
A. The thermal energy increases and the molecules moved faster.
B. The thermal energy decreases and the molecules moved faster.
C. The thermal energy increases and the molecules moved more slowly.
D. The thermal energy decreases and the molecules moved more slowly.
3. Why do you want to live in a home with good insulation during the cold winter months?
A. A house with good insulation will keep the warm air in the attic.
B. If there is not good insulation, the air inside the home will become too hot.
C. The insulation will keep you cool during winter.
D. If there is good insulation, the thermal energy will not be able to move easily from inside the warm home to the cool areas outside the building.