ASVAB General Science Practice Test 242363 Results

	Your Results	Global Average
Questions	5	5
Correct	0	2.83
Score	0%	57%

Review

Which of the following is not true about simple magnets?

62% Answer Correctly

	same poles repel each other
	opposite poles repel each other
	all of these are untrue
	opposite poles attract each other

Solution

Simple magnets have two poles, north and south, and opposite poles attract each other (N attracts S, S attracts N). Likewise, the same pole of two magnets repel (N repels N, S repels S). The Earth has a magnetic field and North and South Poles which enables the use of a magnetic compass to determine direction.

Convert -20C° to F°.

54% Answer Correctly

	-36
	-4
	78
	36

Solution

To convert from C° to F° use:

\(F° = {9 \over 5}C° + 32\)

\(F° = {9 \over 5}(-20) + 32\)

\(F° = {-180 \over 5} + 32\)

\(F° = -36 + 32 = -4\)

Neurons are part of the __________ nervous system.

42% Answer Correctly

	autonomic
	peripheral
	central
	somatic

Solution

The nervous system consists of the brain and spinal cord (central nervous system) and the peripheral nervous system which is the network of nerve cells (neurons) that collect and distribute signals from the central nervous system throughout the body.

Which is the proper order of Earth's atmospheric layers from the surface up to space?

58% Answer Correctly

	troposphere, stratosphere, mesosphere, thermosphere
	thermosphere, mesosphere, stratosphere, troposphere
	mesosphere, thermosphere, stratosphere, troposphere
	stratosphere, troposphere, mesosphere, thermosphere

Solution

The troposphere is the closest layer to Earth, followed by the stratosphere, mesosphere, and finally the thermosphere which borders space.

Earth's history is divided into time periods, which of these is the longest time period?

67% Answer Correctly

	age
	epoch
	eon
	era

Solution

The Earth is approximately 4.6 billion years old and its history is divided into time periods based on the events that took place and the forms of life that were dominant during those periods. The largest graduation of time is the eon and each eon is subdivided into eras, eras into periods, periods into epochs, and epochs into ages.