| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.19 |
| Score | 0% | 64% |
Convert 5C° to F°.
41 |
|
37 |
|
-23 |
|
27 |
To convert from C° to F° use:
\(F° = {9 \over 5}C° + 32\)
\(F° = {9 \over 5}(5) + 32\)
\(F° = {45 \over 5} + 32\)
\(F° = 9 + 32 = 41\)
Heat is always transferred from __________ to __________ environments.
cooler, warmer |
|
empty, dense |
|
warmer, cooler |
|
dense, empty |
Heat is always transferred from warmer to cooler environments and conduction is the simplest way this transfer can occur. It is accomplished through direct contact between materials and materials like metals that transfer heat efficiently are called conductors while those that conduct heat poorly, such as plastic, are called insulators.
In the heart, blood flows from the right __________ to the lungs then back to the heart via the left __________.
atrium, ventricle |
|
ventricle, ventricle |
|
atrium, atrium |
|
ventricle, atrium |
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.
What part of the brain is responsible for for balance, movement, and muscle coordination?
brainstem |
|
cerebrum |
|
cerebellum |
|
medulla |
The cerebellum is a large cluster of nerves at the base of the brain that's responsible for balance, movement, and muscle coordination.
Which of the following is the narrowest classification of life?
domain |
|
family |
|
genus |
|
species |
The narrowest classification of life, species, contains organisms that are so similar that they can only reproduce with others of the same species.