| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.71 |
| Score | 0% | 74% |
Which of these is not a type of fat?
monounsaturated |
|
saturated |
|
cholesterol |
|
polyunsaturated |
Fats come in three types, saturated (meats, shellfish, eggs, milk), monounsaturated (olives, almonds, avocados), and polyunsaturated (vegetable oils).
Which of the following is not a base unit in the metric system?
degree Fahrenheit |
|
liter |
|
gram |
|
meter |
The Fahrenheit scale is used for measuring temperature in the British system. The metric system uses the Celsius scale.
212°F is how many °C?
100 |
|
-100 |
|
\(135 {5 \over 9}\) |
|
0 |
The formula to convert from F° to C° is:
\(C° = {5 \over 9} (F° - 32)\)
plugging in our values gives:
\(C° = {5 \over 9} (212 - 32)\)
\(C° = {5 \over 9} (180) = {{180 \times 5} \over 9}\)
\(C° = {900 \over 9}\)
\(C° = 100\)
Generally, an atom has __________ negative electrons orbiting the nucleus as it does positive protons inside.
double the number of |
|
fewer |
|
more |
|
equal numbers of |
An electron is a subatomic particle that orbits the nucleus of an atom. It carries a negative electric charge. Generally, an atom has the same number of negative electrons orbiting the nucleus as it does positive protons inside.
Molecules and atoms that are inputs to a chemical reaction are known as which of the following?
components |
|
products |
|
fuel |
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reactants |
During a chemical reaction molecules and atoms (reactants) are rearranged into new combinations that result in new kinds of atoms or molecules (products).