9.2 Heat Flow and Thermal Equilibrium

9.2 Heat Flow and Thermal Equilibrium

by KASMAWATI Moe

Multiple Select

Heat flow happens in three different ways, which are through

• conduction

• convection

• radiation

• boiling

Multiple Choice

The process of heat transfer from hotter regions to colder regions through a solid medium

• conduction

• convection

• radiation

Multiple Choice

Heat is transferred by the movement of fluid (liquid and gas) from hotter regions to colder regions.

• conduction

• convection

• radiation

Multiple Choice

in radiation, heat can propagate through an

dalam sinaran, haba boleh dipindahkan melalui

• empty space or vacuum.

  ruang kosong atau hampagas

• liquid

  cecair

• solid

  pepejal

Multiple Choice

In convection, the part of the fluid that receives heat will

Dalam perolakan ,bahagian cecair yang menerima haba akan

• expand, become less dense and rise.

  mengembang, menjadi kurang tumpat dan bergerak ke atas

• contract, become dense and sink

  mengecut, menjadi tumpat dan bergerak ke bawah

Multiple Choice

In convection, the colder and more dense fluid moves ____

Dalam perolakan bahagian sejuk dan lebih tumpat akan bergerak_____

• downwards.

  ke bawah

• upward

  ke atas

Multiple Choice

The formation of land breeze and sea breeze are examples of a

Pembentukan bayu laut dan bayu darat merupakan contoh tindakan

• conduction process

  proses konduksi

• convection process

  proses perolakan

• radiation process

  proses sinaran

Multiple Choice

During the day, will will have

Semasa hari siang, kita akan mengalami

• sea breeze

  bayu laut

• land breeze

  bayu darat

Multiple Choice

During sea breeze,

Semasa bayu laut,

• the wind move from sea to land

  angin bertiup dari laut ke darat

• the wind move from land to sea

  angin bertiup dari darat ke laut

Multiple Choice

During land breeze,

Semasa bayu darat,

• the wind move from sea to land

  angin bertiup dari laut ke darat

• the wind move from land to sea

  angin bertiup dari darat ke laut

Multiple Choice

What type of thermal energy transfer is number 1 pointing to?

• Convection

• Conduction

• Radiation

• Insulation

Multiple Choice

What type of thermal energy transfer is number 2 pointing to?

• Convection

• Conduction

• Radiation

• Insulation

Multiple Choice

What type of thermal energy transfer is number 3 pointing to?

• Convection

• Conduction

• Radiation

• Insulation

Multiple Choice

The condition where two substances in physical contact with each other exchange no heat energy. They are said to be the same temperature.

• Thermal Energy

• Cooler to Warmer

• Energy Transfer

• Thermal Equilibrium

Multiple Choice

heat always travels from _____ to ______ objects

• hot to cold
• cold to hot
• cold to cold
• hot to hot

Multiple Choice

You leave your cold spoon in a hot bowl of oatmeal. What happens after an hour?

• The temperature of both the oatmeal and the spoon stay the same

• The spoon and the oatmeal become the same temperature

• Only the temperature of the oatmeal will change

• Only the temperature of the spoon will change

Multiple Choice

If you burn your hand on the handle of a hot pot, heat was transferred to your skin by

• conduction

• convection

• radiation

• equilibrium

Multiple Choice

You are walking to school and find a metal earring in the snow. You take the cold earring inside and place it on your desk. What will happen after a while?

• The earring will be colder than the desk

• The earring and the desk will be colder than room temperature

• The desk will be colder than room temperature

• Both the earring and the desk will be at room temperature

Multiple Choice

Johnny put ice in his water. Which idea do you think best explains why the water got cold?

• The coldness from the ice moved into the water

• The coldness and the heat moved back and forth until the water cooled off.

• The heat from the water moved into the ice.

• The water does not cool of

Multiple Choice

The liquid in a thermometer ______________ as the temperature increases.

• expands
• disappears
• freezes
• explodes

Multiple Choice

Which of the following is NOT true about heat? 

• Heat moves from hot to cold
• Heat is a form of energy
• Heat cannot be transferred
• Heat makes molecules speed up