Chapter Review Quiz

Directions:

Choose the best answer to each question. You may refer to pages 289–335 in Contemporary’s GED Science if you need additional help. When you have finished the quiz, click on Submit Answers to receive feedback and results. You may also choose to e-mail your results to your instructor.


1	Which of the following is a brief description of Newton's laws of motion?
		A)	Newton's laws of motion describe the way in which light travels through the vacuum of space.
		B)	Newton's laws of motion describe how earthquakes form.
		C)	Newton's laws of motion describe how an object responds when either left alone or when acted on by a force such as a push or pull.
		D)	Newton's laws of motion describe the tendency of a hot object to cool when brought in contact with a cold object.
		E)	Newton's laws of motion describe how seasons are created as Earth moves around the Sun.


2	The gravitational force is greatest between which of the following objects?
		A)	two heavy objects close together
		B)	two light objects far apart
		C)	one light and one heavy object close together
		D)	one light and one heavy object far apart
		E)	two heavy objects far apart


3	Which of the following examples would a scientist define as work?
		A)	A young girl pushes against a tightly closed door.
		B)	A dog leans against the side of a parked car.
		C)	A woman thinks about a song.
		D)	A man tries to lift a rock, but the rock doesn't move.
		E)	A young boy lifts a book off his desk.


4	Which of the following is the best definition of the law of conservation of energy?
		A)	The law of conservation of energy states that Earth will run out of energy resources if conservation methods are not widely used.
		B)	The law of conservation of energy states that the total amount of energy that is part of an interaction does not change during the interaction.
		C)	The law of conservation of energy states that the total amount of energy that is part of an interaction decreases as an interaction proceeds.
		D)	The law of conservation of energy states that the cost of energy increases as the available energy supplies become more limited.
		E)	The law of conservation of energy states that the total amount of energy decreases due to the forces of friction.


5	What property do sound waves have in common with water waves?
		A)	Both sound waves and water waves travel only in a straight line.
		B)	Both sound waves and water waves can travel through the vacuum of space.
		C)	Sound waves travel at the same speed as water waves.
		D)	Both sound waves and water waves reflect off solid surfaces.
		E)	Both sound waves and water waves are stopped by a barrier.


6	Which feature below is NOT a property of electromagnetic radiation?
		A)	Electromagnetic radiation is made up of many frequencies.
		B)	Electromagnetic radiation can travel through the vacuum of space.
		C)	Visible light is a form of electromagnetic radiation.
		D)	Television and radio signals are forms of electromagnetic radiation.
		E)	All electromagnetic waves have the same wavelength.


7	How does electric current differ from static electricity?
		A)	Static electricity involves electrons in motion; electric current involves electrons at rest.
		B)	Static electricity involves electrons at rest; electric current involves electrons in motion.
		C)	Static electricity does not involve electrons; electric current does involve electrons.
		D)	Static electricity involves electrons; electric current does not involve electrons.
		E)	Static electricity flows in one direction only; electric current always flows in a back-and-forth fashion.


8	What is the best "rule to remember" concerning the interaction of the poles of magnets?
		A)	All poles of magnets repel each other.
		B)	All poles of magnets attract each other.
		C)	Opposite poles of magnets repel and like poles attract.
		D)	Opposite poles of magnets attract and like poles repel.
		E)	Opposite poles of magnets sometimes attract and sometimes repel.


9	In a nuclear power plant, in what order is energy produced and changed from one form to another?
		A)	heat energy → nuclear energy → electrical energy
		B)	electrical energy → nuclear energy → heat energy
		C)	nuclear energy → heat energy → electrical energy
		D)	nuclear energy → electrical energy → heat energy
		E)	electrical energy → heat energy → nuclear energy


10	Which form of energy is unlimited and does not pollute Earth's environment?
		A)	solar energy
		B)	hydroelectric energy
		C)	nuclear energy
		D)	geothermal energy
		E)	wind energy

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