Heat Energy and Transfer Review

Which of the following BEST explains how thermal energy is transfered to the Earth's surface?

• Radiation from the sun.

• Convection from the sun.

• Radiation from Earth's core.

• Conduction from Earth's core.

James measured the temperature outside of his house everyday for 2 months. He observed on mostly cloudy days, the temperature was an average of 9 degrees cooler than the days when the sky was mostly sunny. Which BEST DESCRIBES the reason for this pattern?

• The clouds allowed more conduction from the sun to reach Earth's surface.

• The clouds allowed more radiation from the Sun to reach Earth's surface.

• The clouds blocked conduction from the sun causing cooler temperatures.

• The clouds blocked radiation from the sun causing cooler temperatures.

Victoria put four blocks in a hot pot of water. Each block was made with different materials: plastic, steel, styrofoam, and wood. Which block will MOST LIKELY heat up the fastest?

• Plastic

• Steel

• Styrofoam

• Wood

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Jamari went outside and left a small pail of water. In the morning, the pail was full of ice. Which of the following BEST EXPLAINS what caused the change in the properties of water in the pail?

• The liquid water changed into a solid because it was steamed.

• The liquid water changed into a solid because it was melted.

• The liquid water changed into a solid because it was frozen.

• The liquid water changed into a solid because it was boiled.

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Nikita placed an ice cube on the side walk on a hot day. The ice cube soon melted to form a puddle. Which of the statements BEST EXPLAINS what caused the ice cube to melt?

• Heat transferred from the pavement to the ice through convection.

• Heat transferred from the pavement to the ice through conduction.

• Heat transferred from the air and the pavement to the ice cube by convection.

• Heat transferred from the air and the pavement to the ice cube by conduction.

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Which of the following BEST EXPLAINS why convection is an important factor in influcencing weather?

• The sun uses convection to move thermal energy around the Earth.

• The clouds use convection to move thermal around the Earth.

• The stars use convection to move thermal energy around the Earth.

• The atmosphere and oceans use convection to move thermal energy around the Earth.

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Lucas placed a glass of cold water with a temperature of 41 degrees farenheit on the counter in a room. The temperature of the room is 75 degrees farenheit. After some time, he noticed the temperature of the water in the glass is now 61 degrees farenheit. Which best explains why the water in the glass has changed temperature?

• The coldness of the water transferred to the air in the room making water in the glass warmer.

• The coldness of the water transferred to the glass making the water in the glass warmer.

• The heat from the air in the room transferred to the water in the glass making it warmer.

• The heat from the water in the room had no affect on the temperature of the water.

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On a field trip to Old Salem, sutdents observed a blacksmith working with metal. Which BEST EXPLAINS why he was able to change the shape of the metal?

• The blacksmith cooled the metal and it became less flexible.

• The blacksmith colled the metal and it became more flexible.

• The blacksmith heated the metal and it became less flexible.

• The blacksmith heated the metal and it became more flexible.

Which best explains why metal is a material used to make frying pans?

• Metal is a good conductor of heat and transfers heat from the heat source to the food.

• Metal is a good conductor of heat and does not transfer heat from the heat source to the food.

• Metal is a poor conductor of heat and transfers heat from the heat source to the food.

• Metal is a poor conductor of heat and does not transfer heat from the heat source to the food.

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Abdul uses a foam can to keep his drink cool on a hot sunny day. Which of the following best explains why Abdul uses a foam can holder?

• Foam insulates the cold drink.

• Foam absorbs cold air from the can.

• Foam reflects heat from the Sun off the can.

• Foam conducts heat between the can and the air.

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