Jacob cuts a one-pound block of cheese into four slices. What is the weight of the cheese after it is sliced? A. 1/4 pound B. 1 pound C. 2 pounds D. 4 pounds
B. 1 pound
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15
Which explains how most metals react to being heated?
Expand
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15
Energy from the Sun changes a liquid to a gas by the process of
Evaporation
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15
How does the sun warm a personโs face?
Radiatiion
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15
Why is copper often used to line the bottom of cookware?
metal like copper is a good conductor
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15
Which best describes the transfer of heat due to the movement of gases or liquids?
Convection
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15
Khalia had a cup of ice with a mass of 1,000 kg. After the ice melted, which is most likely the mass of the cup of water? A. 250 kg B. 500 kg C. 1,000 kg
C. 1,000 kg
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banana
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seesaw
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gift
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banana
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15
A teacher adds 2 g of chalk to 25 g of vinegar in a tightly sealed jar. The chalk and vinegar react, and gas bubbles form. What is the total mass of the jarโs contents after the reaction takes place? A. 23 g B. 25 g C. 27 g D. 50 g
C. 27 g
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thief
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gold
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shark
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lifesaver
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lifesaver
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seesaw
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rocket
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thief
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15
Which will most likely result in a new substance being formed? A. boiling water B. cutting paper C. lighting a match D. mixing water and clay
lighting a match
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15
Which type of change occurs when the size, shape, appearance, or volume of a substance is changed without changing its composition?
Physical
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15
Kim lost her hammer outside. When she found it a few months later, some parts of the metal were covered with flaky, brown rust. Which type of change occurred when rust formed on the hammer?
Chemical
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boom
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seesaw
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shark
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baam
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15
Which best explains why burning wood is a chemical change?