| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.30 |
| Score | 0% | 66% |
In the metric system, what prefix represents 10-3?
centi |
|
kilo |
|
mega |
|
milli |
In the metric system, milli is the prefix for 10-3.
In the heart, blood flows from the __________ ventricle to the lungs then back to the heart via the __________ atrium.
left, right |
|
right, right |
|
right, left |
|
left, 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.
Heredity is the passing on of physical or mental characteristics genetically from one __________ to another.
generation |
|
species |
|
family |
|
cell |
Heredity is the passing on of physical or mental characteristics genetically from one generation to another. Heredity is made possible via large strings of chromosomes which carry information encoded in genes.
Which of the following temperatures is least like the others?
absolute zero |
|
0K |
|
32°F |
|
-273°C |
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.
Water freezing or boiling is an example of which of the following?
phase transition |
|
heating |
|
sublimation |
|
cooling |
A substance undergoes a phase transition when it moves from one state of matter to another, for example, when water freezes or boils.