| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.49 |
| Score | 0% | 70% |
Which of the following is the smallest component of an element that still retains the properties of the element?
element |
|
molecule |
|
atom |
|
neutron |
An atom is the smallest component of an element that still retains the properties of the element.
Changes to an object's speed or direction of motion are caused by which of the following?
kinetic energy |
|
power |
|
work |
|
a force |
Force is applied to change an object's speed or direction of motion.
This skeletal system is common in arthropods like insects, spiders, and crustaceans.
bone |
|
endoskeleton |
|
vertebrate |
|
exoskeleton |
An exoskeleton (external skeleton) is common in arthropods like insects, spiders, and crustaceans.
A dominant trait will be expressed when paired with:
a gene |
|
a chromosome |
|
a recessive trait |
|
a dominant trait |
The traits represented by genes are inherited independently of each other (one from the male and one from the female gamete) and a trait can be dominant or recessive. A dominant trait will be expressed when paired with a recessive trait while two copies of a recessive trait (one from each parent) must be present for the recessive trait to be expressed.
Which of the following temperatures is least like the others?
-273°C |
|
0K |
|
32°F |
|
absolute zero |
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.