# Temperature & Heat

### Description

Biology Science (HS Physical Science) Quiz on Temperature & Heat, created by Selam H on 21/11/2013.
Quiz by Selam H, updated more than 1 year ago
 Created by Selam H about 10 years ago
546
3

## Resource summary

### Question 1

Question
What direction does heat flow spontaneously (happening apparently)?
• cold → hot
• hot → cold

### Question 2

Question
What is temperature compared to thermal energy (difference)?
• Temperature: overall or random amount of energy/heat (°F, °C, °K) , Thermal Energy: directly measured (Joules)
• Temperature: directly measured (°F, °C, °K) , Thermal Energy: overall or random amount of energy/heat (Joules)
• Temperature: directly measured (Joules) , Thermal Energy: overall or random amount of energy/heat (°F, °C, °K)
• Temperature: overall or random amount of energy/heat (Joules) , Thermal Energy: directly measured (°F, °C, °K)

### Question 3

Question
Is work 100% efficient?
• Yes; it is ALWAYS lost
• Yes; it is NEVER lost
• No; friction gets ALL of the energy lost
• No; friction gets SOME of the energy lost

### Question 4

Question
What is conduction?
• Energy transferred by 2 things TOUCHING
• Energy transferred through the movement of liquid or through CURRENTS
• Energy transferred from an energy source and DOESN'T have to travel through MATTER

### Question 5

Question
• Energy transferred by 2 things TOUCHING
• Energy transferred through the movement of liquid or through CURRENTS
• Energy transferred from an energy source and DOESN'T have to travel through MATTER

### Question 6

Question
What is convection?
• Energy transferred from an energy source and DOESN'T have to travel through MATTER
• Energy transferred through the movement of liquid or through CURRENTS
• Energy transferred by 2 things TOUCHING

### Question 7

Question
What is thermodynamics?
• The study of heat and thermal energy
• The study of conversions between heat and other forms of energy
• The study of particle movement

### Question 8

Question
What is the 1st law of thermodynamics?
• We can never reach absolute zero
• Energy con never be created or destroyed and therefore must be conserved
• Energy flows from hot → cold (to go from cold → hot, you must do work)

### Question 9

Question
What is the 2nd law of thermodynamics?
• Energy flows from hot → cold (to go from cold → hot, you must do work)
• Energy con never be created or destroyed and therefore must be conserved
• We can never reach absolute zero

### Question 10

Question
What is the 3rd law of thermodynamics?
• Energy flows from hot → cold (to go from cold → hot, you must do work)
• We can never reach absolute zero
• Energy con never be created or destroyed and therefore must be conserved

### Question 11

Question
What does thermal energy depend on? (more than one answer)
• temperature
• volume
• density
• phase
• mass

### Question 12

Question
Most substances _____ when they freeze and _____ when heated. However, water _____ when it freezes _____ when it is heated.
• contrast; expand; expand; contrast
• contrast; expand; contrast; expand
• contrast; contrast; expand; expand
• expand; expand; contrast; contrast

### Question 13

Question
What is specific heat?
• When 2 different objects reaching the same temperature
• Amount of heat needed to raise 1 gm of material 1°C
• Amount of energy an object can sustain
• Change in temperature

### Question 14

Question
What is water's specific heat?
• 3.98 J/g°C ≈ 4 J/g°C
• 4 J/g°C (exactly)
• 2.98 J/g°C ≈ 3 J/g°C
• 1.98 J/g°C ≈ 2 J/g°C

### Question 15

Question
Is water's specific heat high or low compared to other materials?
• high; temperature raises less when energy is added
• low; temperature raises less when energy is added
• high; temperature raises more when energy is added
• low; temperature raises more when energy is added

### Question 16

Question
What is thermal equilibrium?
• When 2 different objects reaching the same temperature
• Amount of heat needed to raise 1 gm of material 1°C
• Change in temperature
• Amount of energy an object can sustain

### Question 17

Question
What do engines or motors do?
• They are machines designed to make electricity by making a turbine turn
• They are machines designed to make electricity by burning fuel
• They are machines designed to convert mechanical energy into other forms of energy
• They are machines designed to convert energy into mechanical energy

### Question 18

Question
What is internal combustion?
• Fuel sprayed into a cylinder which is then ignited and drives the piston (happening all together and inside motor)
• Fuel that is ignited outside of the motor along with combustion
• Burning happening inside a engine

### Question 19

Question
What is external combustion?
• Fuel that is ignited outside of the motor along with combustion
• Burning happening outside an engine
• Fuel sprayed into a cylinder which is then ignited and drives the piston (happening all together and inside motor)

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