| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.92 |
| Score | 0% | 58% |
The gravitational interaction of Earth and the Moon is responsible for which of these?
the northern lights |
|
seasons |
|
day and night cycle |
|
tides |
Tides are caused by the gravitational interaction of Earth and the Moon.
What kind of weather front is likely to create clouds and storms?
temperate front |
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cold front |
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warm front |
|
stationary front |
A warm front is the boundary between warm and cool (or cold) air when the warm air is replacing the cold air. Warm air at the surface pushes above the cool air mass creating clouds and storms.
The angle of reflection is equal to which the following?
90° |
|
focal point |
|
refractive index |
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angle of incidence |
The law of reflection specifies how waves, including light waves, bounce off of surfaces. Specifically, the angle of incidence of the approaching wave is equal to the angle of reflection of the reflected wave as measured from a line perpendicular (90°) to the surface.
The most diverse kindgom of life is which of the following?
protists |
|
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.)
In the heart, blood flows from the __________ ventricle to the lungs then back to the heart via the __________ atrium.
left, right |
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left, left |
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right, right |
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right, left |
The two largest veins in the body, the venae cavae, pass blood to the right ventricle which pumps the blood to the lungs through the pulmonary artery. Blood picks up oxygen in the lungs and returns it to the left atrium via the pulmonary vein.