Heat And Temperature

Question 1

What’s the meaning of temperature and how do you measure it?

Answer 1

Temperature is a measurement of how hot or how cold the substance is, Temperature is measured by using a thermometer

Question 2

Can you distinguish between temperature and thermal energy

Answer 2

Heat is a form of energy and is often called thermal Energy. temperature is not a form of energy.

Question 3

Give some examples of where it is important to measure/control temperature in your home

Answer 3

The fridge
cup of tea

Question 4

Can you explain how conduction happens?

Answer 4

If one end of a bar is heeted its particles vibrate faster in time, the movement is passed on to particles along the bar

Question 5

What does conduction take place in?

Answer 5

Solids

Question 6

Can you give an example of where conduction happens in every day life

Answer 6

Heating food in a microwave

Question 7

Explain how convection happens

Answer 7

This is through the movement of particles themselves from a hotter to cooler region

Question 8

Can you give an example of where convection happens in every day life

Answer 8

Heating a room with a radiator

Question 9

Can you explain what radiation is?

Answer 9

Radiation is how he energy is transferred in gases or in a vacuum

Question 10

Can you give an example of one heat energy is transferred by radiation

Answer 10

If you hold out your hands in front of a fire to feel the warmth than the heat energy, reaching your hands is travelling by radiation the hotter an object is the more heat energy. It will emit