| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.32 |
| Score | 0% | 66% |
The gravitational interaction of Earth and the Moon is responsible for which of these?
seasons |
|
tides |
|
day and night cycle |
|
the northern lights |
Tides are caused by the gravitational interaction of Earth and the Moon.
During digestion, after proteins are broken down where does the undigested food go next?
large intestine |
|
small intestine |
|
esophagus |
|
stomach |
Food is mixed with gastric acid and pepsin in the stomach to help break down protein.
The heart __________ blood.
oxygenates |
|
creates |
|
deoxygenates |
|
filters |
To provide oxygen to the body, blood flows through the heart in a path formed by the right atrium → right ventricle → lungs → left atrium → left ventricle → body. When blood enters the right side of the heart it is deoxygenated. It enters the left side of the heart oxygenated after traveling to the lungs.
A subatomic particle found in the nucleus of an atom. It carries no electric charge. This desribes which of the following?
proton |
|
atom |
|
neutron |
|
electron |
A neutron is a subatomic particle found in the nucleus of an atom. It is neutral as it carries no electric charge.
In the classification of life, which of the following is not a kingdom?
bacteria |
|
animals |
|
fungi |
|
plants |
Below domain, life is classified into six kingdoms: plants, animals, archaebacteria, eubacteria, and fungi. The last kingdom, protists, include all microscopic organisms that are not bacteria, animals, plants or fungi. (Archaebacteria and eubacteria are sometimes combined into a single kingdom, monera.)