| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.25 |
| Score | 0% | 65% |
Which of these is matter than cannot be separated into different types of matter by ordinary chemical methods?
molecule |
|
atom |
|
element |
|
compound |
An element is matter than cannot be separated into different types of matter by ordinary chemical methods.
Which of the following temperatures is least like the others?
32°F |
|
0K |
|
-273°C |
|
absolute zero |
Absolute zero is the coldest possible temperature in the universe. In the Kelvin scale, absolute zero is 0K and in the Celsius scale it is -273°C.
Which of the following states of matter exists at the lowest temperature?
none of these |
|
liquid |
|
gas |
|
solid |
Solids exist at a lower temperature than liquids which exist at a lower temperature than gases.
The Earth's rocks fall into three categories based on how they're formed. Which of the following is formed by the gradual depositing of small rocks?
igneous |
|
metamorphic |
|
sedimentary |
|
granite |
The Earth's rocks fall into three categories based on how they're formed. Igneous rock (granite, basalt, obsidian) is formed from the hardening of molten rock (lava), sedimentary rock (shale, sandstone, coal) is formed by the gradual despositing and cementing of rock and other debris, and metamorphic rock (marble, slate, quartzite) which is formed when existing rock is altered though pressure, temperature, or chemical processes.
Which of these is not a type of fat?
cholesterol |
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polyunsaturated |
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monounsaturated |
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saturated |
Fats come in three types, saturated (meats, shellfish, eggs, milk), monounsaturated (olives, almonds, avocados), and polyunsaturated (vegetable oils).