The freezer is located at the top of the refrigerator. Explain why.

The handle of a pressure cooker is covered with the thick plastic. Explain why.

Discuss why wearing more layers of clothing during winter keeps us warmer than wearing just one thick piece of clothing.

Four arrangements to measure temperature of ice in beaker with laboratory thermometer are shown in figure (a, b, c, d). Which one of them shows the correct arrangement for accurate measurement of temperature?

Paheli and Boojho measured their body temperature. Paheli found her to be 98.6°F and Boojho recorded 37⁰C. Which of the following statements is true?

Heat always flows

An iron ball at 40°C is dropped in a mug containing water at 40°C. The heat will

Why is it advised not to hold the thermometer by its bulb while reading it?

While constructing a house in a coastal area, in which direction should the windows preferably face and why?

In a mercury thermometer, the level of mercury rises when its bulb comes in contact with a hot object. What is the reason for this rise in the level of mercury?

Last Sunday, Pooja on her week off entered in her kitchen to cook rice for her family in lunch time. The moment she put fry pan on the gas stove and lighted it through the matchstick, all of sudden her 5 years small daughter entered into the kitchen and tends to touch the hot fry pan. At the same time, Pooja saw her and pushed her away from the hot fry pan. In this way, she saved her child.
(a) Explain why do the fry pan are provided with the plastic handles?
(b) Mention the values represented by Pooja here towards her 5 years small daughter.

All hot bodies radiate _______

In coastal areas, cold air flows in the day from sea to land. It is called ______

In _____ generally, the heat is transferred by the process of conduction.

The thermometer used to measure human body temperature is called ______ thermometer.

Water and air are good conductors of heat.

The materials which allow heat to pass through them easily are called conductors.