Catch Up #3 Heat
Quiz by LEA BELIR
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- Q1
A small cup of cold milk is being poured into a cup with hot coffee. Which is true about heat transfer in this situation?
Heat will not transfer to either of the liquids.
Both liquids absorb heat from each other.
Cold milk transfers heat to the hot coffee.
Hot coffee transfers heat to the cold milk.
45s - Q2
Which is the correct sequence of events as heat transfer occurs in boiling water in a pot placed over a hot stove?
i. Bottom part of the pot conducts heat to the water.
ii. The cool, denserwater on top will sink.
iii. Heated water atthe bottom becomes less dense then rise.
iv. Hot stoveconducts heat to the bottom of the pot.
iii, iv, ii, i
ii, iii, I, iv
i, ii, iii, iv
iv, i, iii, ii
60s - Q3
Which of the following examples involves heat transfer by conduction?
drying hair with a blower
sun shining on the earth
walking on hot sand barefoot
sitting beside a bonfire
30s - Q4
Which of the following household chores involves convection of heat?
Frying egg for breakfast.
Drying clothes in the clothes line.
Ironing rumpled clothes
Boiling water for the coffee.
45s - Q5
Which of the following situations involves heat transfer by radiation?
cooling juice in a refrigerator
smoke rising
touching burning coal
getting sunburn
30s - Q6
Which one is a benefit of heat transfer by convection?
It cools down hot coffee
It causes smoke to rise.
It gives energy for plants to grow.
It makes frying of food possible.
30s - Q7
heat transfer by direct contact between objects
radiation
convection
insulation
conduction
45s - Q8
Heat transfers only in vacuum or empty space.
conduction
convection
insulation
radiation
45s - Q9
heat transfer in fluids
insulation
convection
conduction
radiation
45s - Q10
Which of the following statements is TRUE about heat transfer?
Transfer of heat occurs when objects have different temperatures.
Heat transfers only in vacuum or empty space.
Transfer of heat is only on objects that are in contact.
Heat transfers from a colder to hotter object.
45s - Q11
The ice cubes melt as you hold them in your hand. What is the direction of heat transfer in this situation?
hand to air
ice cube to hand
hand to ice cube
ice cube to air
30s - Q12
In which of the following can convection current occur?
aluminum
vacuum
wood
water
45s - Q13
Your house is burning and you noticed that the smoke and flame rise, but near the floor is colder and less smoky. You crawled and managed to get out from your house safely. This observation is an example of what method of heat transfer?
conduction
convection
insulation
radiation
45s - Q14
Your mother stands near the burning stove and fells warm in her stomach. How does heat from the stove travel sideways to her stomach?
conduction
insulation
radiation
convection
45s - Q15
Your mother is preparing chicken soup for your dinner using a metal pan placed over a hot stove. How does heat travel to the metal pan?
conduction
radiation
convection
insulation
45s