Category 1
What is thermal energy?
A) Energy from the sun
B) Energy related to the temperature of an object
C) Energy from moving objects
D) Energy stored in food
B) Energy related to the temperature of an object
In which of the following situations does convection occur?
A) A metal spoon in hot soup
B) Warm air rising in a room
C) Sun warming the earth
D) Touching a hot stove
B) Warm air rising in a room
Which of the following is NOT a conductor?
A) Iron
B) Water
C) Plastic
D) Gold
C) Plastic
Which of the following is an example of convection in nature?
A) A metal rod getting hot in a flame
B) Warm air rising and creating weather patterns
C) The sun heating the ground
D) Touching a hot surface
B) Warm air rising and creating weather patterns
What happens to air when it is heated?
A) It becomes heavier and sinks.
B) It expands and rises.
C) It cools down.
D) It transforms into liquid.
B) It expands and rises.
Which of the following is a method of heat transfer?
A) Conduction
B) Convection
C) Radiation
D) All of the above
D) All of the above
What is radiation?
A) Heat transfer through direct contact
B) Heat transfer through fluids
C) Heat transfer through electromagnetic waves
D) Heat transfer through solid materials
C) Heat transfer through electromagnetic waves
What happens to a substance’s thermal energy when it is heated?
A) It decreases
B) It remains the same
C) It increases
D) It changes to kinetic energy
C) It increases
In which of the following scenarios would conduction be the primary method of heat transfer?
A) Boiling water in a pot
B) Feeling the sun on your skin
C) A metal spoon in hot soup
D) A hot air balloon rising
C) A metal spoon in hot soup
What is an example of a poor conductor?
A) Wood
B) Silver
C) Aluminum
D) Steel
A) Wood
What is conduction?
A) Heat transfer through liquids and gases
B) Heat transfer through direct contact
C) Heat transfer through electromagnetic waves
D) Heat transfer through movement of air
B) Heat transfer through direct contact
Which of the following is an example of radiation?
A) Heating water on a stove
B) The warmth from a campfire
C) Ice melting in a drink
D) A warm breeze on a cold day
B) The warmth from a campfire
Which of the following is true about convection currents?
A) They only occur in solids.
B) They are caused by differences in temperature and density.
C) They do not affect weather patterns.
D) They are only found in liquids.
B) They are caused by differences in temperature and density.
What is the best conductor of heat?
A) Wood
B) Water
C) Copper
D) Air
C) Copper
How does the sun transfer heat to the Earth?
A) By conduction
B) By convection
C) By radiation
D) By insulation
C) By radiation
Which of the following is an example of conduction?
A) A pot on a stove
B) Warm air rising
C) The sun heating your skin
D) Ice melting in a drink
A) A pot on a stove
What materials are considered good conductors of heat?
A) Wood and plastic
B) Glass and rubber
C) Metals like copper and aluminum
D) Air and water
C) Metals like copper and aluminum
What is the role of an insulator?
A) To conduct heat quickly
B) To slow down heat transfer
C) To produce heat
D) To reflect heat
B) To slow down heat transfer
What is the best insulator?
A) Copper
B) Styrofoam
C) Glass
D) Aluminum
B) Styrofoam
What is the primary method of heat transfer in a boiling pot of water?
A) Radiation
B) Conduction
C) Convection
D) Insulation
C) Convection
What is convection?
A) Heat transfer through a vacuum
B) Heat transfer through direct contact
C) Heat transfer through fluids (liquids and gases)
D) Heat transfer through solid objects
C) Heat transfer through fluids (liquids and gases)
Which of the following materials is a not good insulator?
A) Copper
B) plastic
C) Styrofoam
D) wood
a) copper
What type of energy transfer occurs when you feel the warmth of a fireplace?
A) Conduction
B) Convection
C) Radiation
D) Insulation
C) Radiation
Which statement is true regarding thermal energy and temperature?
A) Thermal energy is the same as temperature.
B) Temperature is a measure of thermal energy.
C) Thermal energy does not affect temperature.
D) Temperature measures only the heat in solids.
B) Temperature is a measure of thermal energy.
Which of the following is NOT a method of heat transfer?
A) Conduction
B) Convection
C) Radiation
D) Transformation
D) Transformation