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Questions and Answers
What is one factor that influences the amount of heat lost or gained by a substance when its temperature changes?
What is one factor that influences the amount of heat lost or gained by a substance when its temperature changes?
- Presence of impurities in the substance (correct)
- Color of the substance
- Type of container used
- Surface area of the substance (correct)
How does the intensity of light change as you dive deeper into the sea?
How does the intensity of light change as you dive deeper into the sea?
- It decreases with depth due to absorption (correct)
- It increases with depth due to reflections
- It remains constant regardless of depth
- It varies randomly with no specific trend
Which of the following factors does NOT directly affect the heat exchange of substances?
Which of the following factors does NOT directly affect the heat exchange of substances?
- Pressure applied to the substance (correct)
- State of the substance (solid, liquid, gas)
- Duration of exposure to heat source
- Temperature difference
What happens to light as it penetrates deeper into aquatic environments?
What happens to light as it penetrates deeper into aquatic environments?
Which characteristic of a substance can enhance its ability to gain or lose heat?
Which characteristic of a substance can enhance its ability to gain or lose heat?
Does 1 kg of different substances require the same heat to increase their temperature by 1 kelvin?
Does 1 kg of different substances require the same heat to increase their temperature by 1 kelvin?
Which factor primarily influences the amount of heat needed to raise the temperature of a substance?
Which factor primarily influences the amount of heat needed to raise the temperature of a substance?
If two substances have the same mass but different specific heat capacities, how does this affect their temperature increase when the same heat is applied?
If two substances have the same mass but different specific heat capacities, how does this affect their temperature increase when the same heat is applied?
What happens to the temperature of a substance when it absorbs heat without a change in mass or state?
What happens to the temperature of a substance when it absorbs heat without a change in mass or state?
In a scenario where the same heat is added to 1 kg of water and 1 kg of sand, what can be concluded?
In a scenario where the same heat is added to 1 kg of water and 1 kg of sand, what can be concluded?
What does a higher specific heat of a substance indicate about its thermal energy absorption?
What does a higher specific heat of a substance indicate about its thermal energy absorption?
Which statement correctly relates specific heat with temperature change?
Which statement correctly relates specific heat with temperature change?
If two substances have the same mass but different specific heats, how will their temperature change compare when equal thermal energy is applied?
If two substances have the same mass but different specific heats, how will their temperature change compare when equal thermal energy is applied?
How does the specific heat relate to the amount of thermal energy needed for temperature increase?
How does the specific heat relate to the amount of thermal energy needed for temperature increase?
In terms of specific heat, how would water compare to a metal like iron?
In terms of specific heat, how would water compare to a metal like iron?
What does the variable QAl represent in the equation QAl = mAl⋅cAl⋅ΔTAl?
What does the variable QAl represent in the equation QAl = mAl⋅cAl⋅ΔTAl?
If the mass of aluminum is 0.2 kg and its specific heat capacity is 897 J/kg, how is the heat energy calculated?
If the mass of aluminum is 0.2 kg and its specific heat capacity is 897 J/kg, how is the heat energy calculated?
What unit is mass expressed in within the equation QAl = mAl⋅cAl⋅ΔTAl?
What unit is mass expressed in within the equation QAl = mAl⋅cAl⋅ΔTAl?
In the equation QAl = mAl⋅cAl⋅ΔTAl, what does the ΔTAl symbol represent?
In the equation QAl = mAl⋅cAl⋅ΔTAl, what does the ΔTAl symbol represent?
Given the specific heat capacity of aluminum as 897 J/kg, what does this value indicate?
Given the specific heat capacity of aluminum as 897 J/kg, what does this value indicate?
What is the phenomenon called when cooler air moves from the sea to the land?
What is the phenomenon called when cooler air moves from the sea to the land?
What effect does the sea breeze have on the air temperature near the land?
What effect does the sea breeze have on the air temperature near the land?
What occurs to the hot air during the formation of a sea breeze?
What occurs to the hot air during the formation of a sea breeze?
Which factor primarily drives the movement of cooler air that creates a sea breeze?
Which factor primarily drives the movement of cooler air that creates a sea breeze?
During which time of day is a sea breeze most likely to occur?
During which time of day is a sea breeze most likely to occur?
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Study Notes
Specific Heat Capacity
- The amount of heat required to raise the temperature of 1 kg of a substance by 1 Kelvin (K) is called the specific heat capacity.
- Different substances have different specific heat capacities.
- A substance with a higher specific heat capacity requires more thermal energy to increase its temperature by 1 K compared to a substance with a lower specific heat capacity.
Sea Breeze
- Cooler air from above the surface of the water moves towards land.
- This movement of cooler air is called a sea breeze.
- The sea breeze replaces the hot air that has risen upward.
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