35. How does heat travel through the soup?
A. by radiation
B. by convection
C, by dispersion
D. by conduction
36. Which of the following is a poor conductor?
A. air
В, copper
C, Cold
D, ice
37. What happens when air is heated?
A. it rises
C. It spread in all direction
B. It stays in place
D. I move toward the lower elevation
38. Which of the following explains why Andrea is able to hold the handle of the pen wan her bare hands
1. The handle is made of good insulator of heat,
2. The handle has low thermal conductivity
3. The handle has high thermal energy
A. I and II only
C.ll and Ill only
B, I and Ill only
D. I, II and the
39. When the object becomes warmer it means that he object
A. It gained energy
C, it transfer energy to another object
B. It losses energy
D, none of the above
40. If you comb your hair and the comb becomes positively charged, what will happen to your hair?
A. It will remain uncharged
B. It will be repelled by the comb,
C. It will become positively charged
D. It will become negatively charged,
41. It is a positively charged particle,
A. electron
B, proton
C, Neutron
D, Neutral
42. charged object is brought near a metal ball that is mounted on a rubber sheet, che metal ball
acquired a negative charge of the object that was brought near it?
A. neutral
B. positive
C. negative
D. Cannot determine from the given information alone
43. Charges cannot be created nor destroyed, but can be transferred from one material to another,
A. Law of Inertia
C, Electrostate Law
B. Law of Thermodynamics
D. Law of Conversation of Change
44. A charged object is brought near a metal ball that is mounted on a rubber sheet, the metal ball
acquired a negative charge after it was grounded momentarily, what must be the charge of the object that
was brought near it?
A. neutral
B, positive
C. negative
D. Cannot determine from the given information alone

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