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- 1. Multiple ChoiceLaura bruised her knee. She applied an ice pack to the bruised area. When she removed the ice pack from the injured knee, she noticed that the temperature of her skin was lower than the rest of her body. What is the most likely reason this occurred?Increased blood flow due tothe ice pack caused the skin to be coolerThe cooling energy of the ice pack was transferred to the skin.Heat energy from the skin was transferred to the ice pack.The air surrounding the ice pack cooled the skin.
- 2. Multiple ChoiceA student standing near a campfire feels warmer as the fire grows. Which process most likely transfers heat from the campfire to the student?conductionconvectionradiationtransformation
- 3. Multiple ChoiceOne end of a metal rod is placed over a flame during an investigation. A thermometer is touching the opposite end of the metal rod. Which best describes what is happening during this investigation?Convection carries heat to the thermometerRadiant energy warms the thermometer.Mechanical energy from the flame carries heat to the thermometer.Heat from the flame is conducted through the metal rod to the thermometer.
- 4. Multiple ChoiceWhich substance can be used to conduct electricity in a circuit?rubbermetalwoodplastic
- 5. Multiple ChoiceIsabella filled a glass with warm water. She measured the temperature, and it was 30°C. She left the glass on a table in a room that was 20°C. A few hours later, she measured the water temperature again, and it was 24°C. Which BESTexplains why the water temperature changed?Energy in the air removed heat from the water.Heat energy in the water was destroyed by the glass.Heat energy in the water was transferred to the cooler air.Energy used by evaporation caused the water temperature to decrease.
- 6. Multiple ChoiceThe transfer of heat in the atmosphere by winds that circulate between the equator and the poles is an example ofradiationinsulationconvectionconduction
- 7. Multiple ChoiceWhich of the following statements about thermal energy is true?As you hold a cup of hot water your hands cool the water.As you hold a glass of cold milk, the cold travels to your hand.As you hold a cup of cold milk, your hand cools the milk.As you hold a cup of hot water, the heat moves to your hand.
- 8. Multiple ChoiceA student is mixing a cup of hot chocolate with a spoon. How is the heat transferred between the hot chocolate and the part of the spoon that is in the hot chocolate?Conduction transfers energy from the spoon to the hot chocolate.Conduction transfers energy from the hot chocolate to the spoon.Convection transfers energy from the spoon to the hot chocolate.Convection transfers energy from the hot chocolate to the spoon.
- 9. Multiple ChoiceWhich statement describes the transfer of energy when an ice cube is placed in a cup of hot tea?Heat flows from the tea to the ice.Cold flows from the ice to the tea.Cold flows from the ice, and heat flows from the tea.Heat flows simultaneously between the ice and the tea.
- 10. Multiple ChoiceMiranda wraps her hands around a mug of hot tea. The heat from the hot tea is being transferred to Miranda’s hands primarily byconductionconvectionabsorptionradiation
- 11. Multiple ChoiceJennifer is in a room that has an air temperature of 25ºC (77ºF). Before pouring cold water into a glass, she notices that the ice in the pitcher is melting. What would be the BEST way for Jennifer to describe how thermal energy is being transferred?Heat moves from the ice to the water.Cold moves from the ice into the water.Heat moves from the air into the water.Cold moves from the water into the room.
- 12. Multiple ChoiceEnergy from the Sun reaches Earth byradiationconductionconvectionthermal expansion
- 13. Multiple ChoiceA pan containing hot water is left on the counter and becomes cool mainly due towater molecules moving apart.cold air penetrating the hot water.heat from the water moving into the cooler air.hot water reacting with the metal pan.
- 14. Multiple ChoiceOne end of a metal rod is placed over a flame during an investigation. A thermometer is touching the opposite end of the metal rod. Which BEST describes what is happening during this investigation?Convection carries heat to the thermometer.Radiant energy warms the thermometer.Mechanical energy from the flame carries heat to the thermometer.Heat from the flame is conducted through the metal rod to the thermometer.
- 15. Multiple ChoiceHot objects begin to cool ascooler air is transferred to the object.energy in the object is transferred to the surrounding air.atoms in the object react with the oxygen in the air.energy in the object cancel out energy in the air.
- 16. Multiple ChoiceWhich best describes the process of convection?Convection is the primary way heat travels through rays.Convection is the primary way heat travels through metals.Convection is the primary way heat travels through appliances.Convection is the primary way heat travels through liquids and gasses.
- 17. Multiple ChoiceWhat is the definition of CONVECTIONWhen heat transfers through waves.When heat transfers from objects that are touching.a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.Heat traveling from the sun
- 18. Multiple Choice
Heat transfers from an area of ____temperature to an area of ___ temperature.high to lowlow to highhigh to highIt can travel high to low and low to high. - 19. Multiple Choice
How does heat energy reach the Earth from the Sun
Convection
Radiation
Conduction
Insulation
- 20. Multiple ChoiceWhat is the definition of CONDUCTION?When heat is transferred from objects like rays of light or electromagnetically.a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.When heat transfers from objects that are touching.When heat transfers through the heater or AC in your house.
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