Physics-10 Thermal effects

What are the types of liquid in thermometers?

• Alcohol and melonjuice

• Water and juice

• Oil and water

• Alcohol and mercury

What is the scientific definition of temperature?

• the average kinetic energy of all the atoms or molecules

• he average potential energy of all the atoms or molecules

• Temperature is a measure of how much thermal energy an object is.

• Temperature is a measure of the humidity in the air.

Tags

NGSS.MS-PS1-4

Reorder the following from the coolest to the hottest.

• Core of the Sun

• Supernova

• Large Hadron Collider

• Lava

• Earth core

Two fixing points are required for making a temperature scale. They are the lower point called ​​ (a)   and the higher point called ​ (b)   .

• ice point
• steam point
• liquid point
• evaporation point
• absolute zero

Which one is the correct way to write absolute zero?

• 0 K

• 0 °C

• -273.15 °F

• -273.15 °K

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

When a bimetal strip got heated, how will it change?

• bend towards the side with a smaller expansion

• It will shrink

• It will melt

• bend towards the side with a larger expansion

In a swimming pool, the water near the surface is slightly warmer. The warm water rises because of ________.

• conduction

• radiation

• convection

Tags

NGSS.MS-PS3-4

One end of a copper rod is placed in the flame of a Bunsen burner. Small pieces of wax placed along the rod melt progressively from the flame. Heat is transferred through the rod mainly by ________.

• conduction

• radiation

• convection

The transfer of energy from part of a material to another part (such as in the earth's mantle) is called...

• conduction

• convection

• radiation

Tags

NGSS.MS-ESS2-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Draw a face with the color which is the best emitter and absorber of thermal energy.

Tags

NGSS.HS-PS3-4