NS PHYSICS - UNIT 1 TEST

By TRACI SIEVERS
Last updated about 1 year ago
34 Questions
Required
1.

What property distinguishes a conductor from an insulator?

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2.

What occurs to electrons in conductors when heated?

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3.

What types of materials are typically good electrical conductors?

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4.

Which of the following materials would best conduct electricity?

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5.

What is an extensive property in physics?

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6.

Which of the following properties is extensive?

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7.

What leads to an increase of an extensive property?

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8.

Which of the following is considered an extensive property in physics?

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9.

What makes an intensive property different from an extensive property?

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10.

Which of the following is an intensive property of matter?

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11.

Which of the following is considered an intensive property?

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12.

Which of the following is an example of an intensive property?

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13.

What will most likely happen when malleable material is hammered?

14.

Which property allows metals to be pulled into wires without breaking?

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15.

Which of the following substances is both malleable and ductile?

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16.

Which type of materials are more malleable?

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17.

In the context of energy transformations, how does an exothermic process behave?

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18.

What process results in an exothermic reaction?

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19.

What happens in an exothermic reaction?

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20.

What happens to energy in exothermic reactions?

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21.

What occurs to energy during an endothermic reaction?

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22.

What happens to activation energy in endothermic reactions?

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23.

What represents an endothermic phase change?

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24.

Under constant pressure, if a reaction absorbs heat, it is...

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25.

What happens to an object's acceleration when the force applied to it increases, but its mass stays the same?

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26.

If a 50 kg object is accelerated at 5 m/s^2, what is the force acting on the object?

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27.

Newton's 2nd law of motion states that acceleration is directly proportional to net force. What does this mean?

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28.

If the force acting on an object is doubled, what will happen to the acceleration (assuming mass remains constant)?

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29.

An object starts at rest and accelerates at 5m/s² for 10 seconds. What is its final speed?

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30.

What represents the unit of acceleration in physics?

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31.

What is the unit of force in the International System?

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32.

In the formula F=ma, what does 'F' stand for?

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33.

A force is a vector quantity. What does this mean?

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34.

What occurs when an object is not moving?