ASVAB General Science Practice Test 242797 Results

	Your Results	Global Average
Questions	5	5
Correct	0	2.98
Score	0%	60%

Review

Small rocks shed by asteroids and comets that reach the earth are called:

60% Answer Correctly

	shooting stars
	meteors
	meteorites
	meteoroids

Solution

Smaller rocks shed by asteroids and comets are called meteoroids. When these rocks reach Earth's atmosphere, they burn up in the mesosphere and become meteors. If a meteor manages to reach the Earth, it is called a meteorite.

Generally, an atom has __________ negative electrons orbiting the nucleus as it does positive protons inside.

67% Answer Correctly

	more
	double the number of
	equal numbers of
	fewer

Solution

An electron is a subatomic particle that orbits the nucleus of an atom. It carries a negative electric charge. Generally, an atom has the same number of negative electrons orbiting the nucleus as it does positive protons inside.

Water coming to a boil on a stove, ice melting, and steam from a cup of coffee are all examples of which of the following?

66% Answer Correctly

	radiation
	convection
	conduction
	reflection

Solution

Convection is the transfer of heat by the circulation or movement of the heated parts of a liquid or gas.

As part of the carbon cycle, plants release carbon into the atmosphere through which process?

45% Answer Correctly

	photosynthesis
	decomposition
	sedimentation
	evaporation

Solution

The carbon cycle represents the ciruit of carbon through Earth's ecosystem. Carbon dioxide (CO₂) in the atmosphere is absorbed by plants through photosynthesis. Plants then die and release carbon back into the atmosphere during decomposition or are eaten by animals who breathe (respiration) the carbon into the atmosphere they exhale and produce waste which also releases carbon as it decays.

Which of the following is not part of the carbon cycle?

60% Answer Correctly

	decomposition
	photosynthesis
	precipitation
	respiration