Answers (Latest update 2024) Verified
Answers
What do particles gain when heated - Correct Answer
✅Kinetic energy
What does kinetic energy make particles do - Correct
Answer ✅Move faster in gases and liquids /vibrate more in
solids
What is the unit of heat energy - Correct Answer ✅Joule
What is temperature a measure of - Correct Answer ✅The
average kinetic energy of the particles in a substance
How to make the rate of cooling faster - Correct Answer
✅The greater the difference in temperature between objects
How to make energy flow between places - Correct Answer
✅If there's a difference in temperature between the two
places
,BMAT- physics exam Questions and
Answers (Latest update 2024) Verified
Answers
What holds particles close together in a solid - Correct
Answer ✅Strong forces of attraction between particles
Why are solids dense - Correct Answer ✅Particles are close
together so they don't take up much space
How are strong are forces of attraction between liquids -
Correct Answer ✅Weaker then solids
How does the amount of energy compare in solids compared
to liquids - Correct Answer ✅More energy
How does the amount of energy in gases compare to liquids
and solids - Correct Answer ✅Even more energy
How does boiling occur - Correct Answer ✅Big bubbles of
gas form when particles have enough energy to overcome
their attraction to eachother
,BMAT- physics exam Questions and
Answers (Latest update 2024) Verified
Answers
What are melting and boiling points affected by - Correct
Answer ✅Impurities
When melting or boiling, what is the energy used for -
Correct Answer ✅Breaking intermolecular bonds
When substances are condensing or freezing what happens
to energy and temp - Correct Answer ✅It's released and
temp doesnot go down till all the substance is liquid/solid
What happens to most substances when heated - Correct
Answer ✅Expand and volume increases
What does conduction mainly occur in - Correct Answer
✅Solids
What happens when one particle vibrates in solids - Correct
Answer ✅Bumps into others and passes vibration on
, BMAT- physics exam Questions and
Answers (Latest update 2024) Verified
Answers
What is conduction of heat - Correct Answer ✅Vibrating
particles pass know extra ke to neighbouring particles
Why do metals conduct heat well - Correct Answer ✅Free
electrons inside metal
Why are non metals good at insulating - Correct Answer
✅Don't have free electrons
What factors effect the rate of conduction - Correct Answer
✅Material, state of the material, surface area, temp
difference
How does surface area effect the rate of conduction -
Correct Answer ✅Larger means more room for collisions
What's the relationship between resistance, voltage and
current - Correct Answer ✅I=V/R