ASVAB General Science Practice Test 323448 Results

Your Results Global Average
Questions 5 5
Correct 0 3.67
Score 0% 73%

Review

1

Which of the following is the smallest component of an element that still retains the properties of the element?

74% Answer Correctly

element

neutron

molecule

atom


Solution

An atom is the smallest component of an element that still retains the properties of the element.


2

212°F is how many °C?

78% Answer Correctly

0

100

-100

\(135 {5 \over 9}\)


Solution

The formula to convert from F° to C° is:

\(C° = {5 \over 9} (F° - 32)\)

plugging in our values gives:

\(C° = {5 \over 9} (212 - 32)\)

\(C° = {5 \over 9} (180) = {{180 \times 5} \over 9}\)

\(C° = {900 \over 9}\)

\(C° = 100\)


3

Which of Earth's layers has weather?

64% Answer Correctly

stratosphere

mesosphere

troposphere

thermosphere


Solution

The Earth's atmosphere has several layers starting with the troposphere which is closest in proximity to the surface. Containing most of the Earth's breathable air (oxygen and nitrogen), it's a region with warmer temperatures closer to the surface and cooler temperatures farther away which results in the rising and falling air that generates weather.


4

Traits represented by genes may be which of the following?

82% Answer Correctly

expressed

all of these

dominant

recessive


Solution

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.


5

A major difference between sound waves and light waves is which of the following?

70% Answer Correctly

a sound wave is much slower than a light wave

a sound wave is mechanical while a light wave is electromagnetic

all of these are correct

a sound wave cannot travel through a vacuum


Solution

A vibrating object produces a sound wave that travels outwardly from the object through a medium (any liquid or solid matter). The vibration disturbs the particles in the surrounding medium, those particles disturb the particules next to them, and so on, as the sound propagates away from the vibration.