Question

plz answer i need help

Answer 1

Answer:

2.

(b)

(c)

(d

(e

L

Fill in the blanks.

(a) A thermometer works on the principle that

energy causes expansion

mercury or alcohol.

(b) A metal spoon kept in a hot cup of tea gets heated due to

(c)

is the process by which heat can be transferred through vacuum.

(d) Cooking is faster in utensils made of

(e)

is the only metal that exists as a liquid at room temperature.

(f) The constriction in the tube near the bulb of a thermometer is called