Question

Choose the situation that is an example of heat transfer by radiation.

Question 1 options:

An ice cube melts while you hold it in your hand.

Hot soup rises to the top of the bowl, while cooler soup sinks to the bottom.


Coastal temperatures are cooler than temperatures in inland areas.


The sun's energy is transferred through the vacuum of space to Earth.

Answer 1

Option D

Step-by-step explanation:

• We know fussion happens inside sun
• Where two hydrogen atoms combine into one helium nucleus
• Which denotes to radiation
• And it's transmitted to our earth

Option D is correct

Answer 2

The only option that transfers heat by radiation is option D. Stars such as the sun have fusion that occurs within them and within that process radiation is produced which then travels. This radiation travels through the vacuum of space to Earth which if finally reaches.

Answer: Option D, The sun's energy is transferred through the vacuum of space to Earth