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by BlastRoom
Identify radiation, conduction, and convection in everyday and Earth-system energy transfers.
#heat_transfer#us_grade_6_science
40 questions
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A metal spoon sits in a bowl of hot soup for three minutes. The handle becomes warm even though it is not in the soup. What mode moves energy through the spoon?
A student stands near a sunny window and feels warmth on one arm while the air in the room stays cool. What mode carries energy from the Sun to the arm?
In a pot of water on a stove, warmer water near the bottom rises while cooler water sinks. What mode moves energy through the water?
A camper feels warmth on the side facing a fire, even from two meters away. The air between the camper and fire is cool. What mode moves most of the energy?
A ceramic mug is filled with hot tea. After a minute, the outside of the mug feels warm where the tea touches it inside. What mode is this?
A warm air vent blows heated air across a classroom, and students across the room feel warmer. What mode moves energy around the room?
A black car parked in sunlight becomes hot inside, even before anyone touches it. What mode brings energy from the Sun to the car?
A metal pan handle becomes hot while the pan sits on a burner. The handle is connected to the hot pan. What mode moves energy into the handle?
A lava lamp warms at the bottom, and colored liquid blobs rise, cool, and sink. What mode is moving energy inside the liquid?
A person touches a cold metal railing, and their hand quickly loses warmth to the metal. What mode moves energy between the hand and railing?
In the morning, a lizard presses its belly flat against a rock warmed by the Sun. Why does lying flat help it warm up faster?
Hot air from a hair dryer blows across wet hair and warms it. What mode carries energy from the dryer to the hair?
A metal cookie sheet in an oven warms cookies where the cookies touch the sheet. What mode transfers energy from the sheet into the cookies?
A hand held near, but not touching, a hot light bulb feels warm. What mode moves energy from the bulb to the hand?
Soup in a pot circulates as hotter soup rises from the bottom and cooler soup sinks along the sides. What mode moves energy through the soup?
A warm brick from a fireplace warms the tile floor where it rests. What mode moves energy from the brick into the tile?
A metal fork warms when its tip is placed in hot pasta sauce. What evidence best shows conduction rather than convection?
A room is warmed by air rising from a heater and spreading near the ceiling. What makes this convection?
Sunlight warms a student's desk through a window. Why is radiation the best match?
A heater is used to warm all the water in a tank. Where should the heater be placed, and why?
A cup of hot cocoa cools more slowly when a lid is placed on top. How does the lid slow the cooling?
A man stands a meter away from a hot grill and feels heat on his face. Which detail rules out conduction as the main mode?
A fan heater runs in a room. Later, the air near the ceiling is warmer than the air near the floor. Why?
On a calm day, a patch of sidewalk in sunlight is warmer than the shaded sidewalk around it. Why?
Two steel rods are the same except that one is twice as long. Each is heated at one end. Which rod's far end gets hot first?
Oil in a pan on a burner circulates as it warms. Which describes the convection current in the oil?
On a coast, land warms faster than ocean during the day. Air over land rises, and cooler air moves in from the sea. What energy-transfer mode drives this sea breeze?
Between the Sun and Earth is nearly empty space. Why can't conduction or convection carry the Sun's energy to the desert ground?
After ground heats on a summer afternoon, air touching the ground warms and rises, helping tall clouds form. What mode moves energy upward in the air?
Warm rock deep in Earth slowly rises while cooler rock sinks in the mantle. What mode of energy transfer does this model show?
In the same sunlight, a dark asphalt parking lot gets hotter than nearby grass. What best explains the difference?
During the day, a lake shore warms and air begins moving because warm air rises over land. What mode explains the moving air pattern?
A rock touching sun-warmed soil becomes warmer at its bottom surface first. What mode moves energy from the soil into the rock?
Above a wildfire, hot gases rise rapidly. Near the ground, cooler air rushes in toward the fire. Why does the cooler air move inward?
A cold draft enters a warm room when a door opens. What is the best correction to the idea that cold moves into the room?
A metal chair and wooden chair sit in the same room all night, but the metal feels colder. What explanation is most accurate?
A student says radiation only means dangerous rays. What classroom example shows radiation can be ordinary energy transfer?
A student says convection can happen in a solid metal bar because energy moves through it. What correction is best?
A hand held above a campfire feels much hotter than a hand held the same distance to the side. What best explains the difference?
A student says a blanket keeps you warm because it makes heat. What statement is more accurate?
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20 questions
