Chapter Review Quiz

Directions:

Choose the best answer to each question. You may refer to pages 27–48 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	What is a system?
		A)	a way of organizing data
		B)	a theory about buying and selling stock
		C)	properties of nature that are predictable
		D)	an organized group of objects that form a whole
		E)	an experiment that is consistent with other experiments


2	What word do scientists use to describe the fact that properties and behaviors are predictable?
		A)	order
		B)	system
		C)	experience
		D)	investigation
		E)	understanding


3	Which of the following has the most complex level of organization?
		A)	a frog's leg
		B)	an elephant's ear
		C)	a human cell
		D)	a whale's digestive system
		E)	a bee's eye


4	What do scientists call the observations and data that come from doing experiments?
		A)	models
		B)	tissue
		C)	opinions
		D)	evidence
		E)	hypothesis


5	Which of the following is a cyclical change?
		A)	the growth of a child
		B)	ocean tides
		C)	a kicked ball
		D)	a tornado
		E)	an earthquake


6	Which of the following is true about flipping a penny?
		A)	There is a 50 percent chance of flipping a heads-up every time you flip the penny, regardless of previous flips.
		B)	A penny has a higher probability of landing heads-up if the previous flip was heads-up.
		C)	A penny has a lower probability of landing heads-up if the previous flip was heads-up.
		D)	If a penny is flipped twice, one flip will always be heads-up and one flip will always be tails-up.
		E)	If a penny is flipped twice, it is more likely that two heads-up will occur than two tails-up.


7	Which of the following is NOT a process that contributes to the evolution of Earth?
		A)	earthquakes
		B)	volcanoes
		C)	entropy
		D)	wind erosion
		E)	water erosion


8	In which of the following pairs of animals are similar structures used for different purposes?
		A)	the teeth of a lion and the teeth of a dog
		B)	the tail of a trout and the tail of a killer whale
		C)	the hands of a human and the hands of an ape
		D)	the legs of a giraffe and the legs of a human
		E)	the wings of a penguin and the wings of a seagull

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