| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.15 |
| Score | 0% | 63% |
Molecules and atoms that are outputs from a chemical reaction are known as which of the following?
reactants |
|
side effects |
|
products |
|
results |
During a chemical reaction molecules and atoms (reactants) are rearranged into new combinations that result in new kinds of atoms or molecules (products).
"For every action, there is an equal and opposite reaction." This describes which of Newton's laws of motion?
fourth |
|
first |
|
third |
|
second |
Newton's third law of motion states that For every action, there is an equal and opposite reaction. When an object exerts a force on another object, the second object exerts a force of equal magnitude in the opposite direction on the first object.
In the water cycle, infiltration is most closely related to:
runoff |
|
rivers |
|
oceans |
|
water table |
The water then accumulates as runoff and eventually returns to bodies of water or is absorbed into the Earth (infiltration) and becomes part of the water table, an underground resevoir of fresh water.
In the classification of life, bacteria, archaea and eukaryota are which of the following?
species |
|
kingdoms |
|
classes |
|
domains |
The broadest classification of life splits all organisms into three groups called domains. The three domains of life are bacteria, archaea and eukaryota.
Which of the following is not a base unit in the metric system?
meter |
|
gram |
|
degree Fahrenheit |
|
liter |
The Fahrenheit scale is used for measuring temperature in the British system. The metric system uses the Celsius scale.