1.
Which of these is a unit of the absolute temperature scale?
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2.
Over ninety percent of the Earth's sun is made of what two elements?
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Answer:
Hydrogen And Helium
3.
What term is used for seepage into a material?
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4.
What word means the amount of energy needed to raise the temperature of a gram of water one degree?
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5.
What word means leakage out of a system?
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6.
What units are combined in sequence to make proteins?
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7.
Which of these is a carbohydrate?
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8.
Which one is an element rather than a compound?
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9.
One of what unit of volume equals 0.95 litres?
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10.
Oranges are a good source of which vitamin?
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11.
Which of these is a compound?
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12.
Which carbon compound does "CO2" stand for?
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13.
What is the chemical symbol for gold?
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14.
With what element does hydrogen combine to make water?
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15.
What gas puts bubbles in a beverage?
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16.
What scale rates petrol against a known mixture of iso-octane and heptane?
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17.
What stage of the scientific method tests a hypothesis?
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18.
What chemical element has the symbol "N" and atomic number 14?
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19.
What temperature scale puts the freezing point of water at zero degrees?
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20.
What word describes something that contains no iron?
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21.
The process of turning used products into new products is known as what?
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22.
What is the chemical abbreviation for water?
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23.
Which substance in a cigarette is addictive?
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24.
Chemistry uses what system of measurement, with units based on multiples of ten?
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25.
In the kitchen, the release of propanethiol S-oxide happens during what tearful event?
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26.
Who were the precursors to modern chemists, interested in turning metals into gold?
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27.
In chemistry, what is the metric system measure of mass?
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28.
Kelvin, Celsius and Fahrenheit are measurements of what?
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29.
An atom is the smallest possible unit of what?
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30.
When two or more elements are combined, what is the result?
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31.
Carbon monoxide is the result of a bond between one atom of carbon and how many of oxygen?
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32.
The scientific method can include all these elements except which one?
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33.
What starts a fire?
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34.
What property of a fire tells you how hot it is?
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35.
Of the various forms of matter, which has mass but no shape?
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36.
Which famous 19th century chemist invented dynamite?
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37.
Almost 50% of the Earth's crust is composed of what element?
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38.
What is the positively charged central portion of an atom known as?
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39.
Which of these is not part of the scientific method?
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40.
According to scientific law, what is neither created or destroyed but only changes in form?
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41.
Which term means requiring oxygen?
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