Florida Science Grade 6

Chapter 1: Exploring and Classifying Life

Exploring and Classifying Life

Your Results:

The correct answer for each question is indicated by a .

1.			__________ is a trait of all organisms. Need a Hint?
			A)	Binomial nomenclature
			B)	A variable
			C)	A hypothesis
			D)	Homeostasis
2.			Which of these is true of scientific methods? Need a Hint?
			A)	Conclusions are drawn at the beginning of the process.
			B)	Data can be analyzed in only one way.
			C)	It is not important to form a hypothesis.
			D)	The problem needs to be stated at the beginning of the process.
3.			You want to weigh a large dog. Which SI measurement unit would you use? Need a Hint?
			A)	millimeters
			B)	kilograms
			C)	liters
			D)	kilometers
4.			Which person devised an animal classification system 2,000 years ago? Need a Hint?
			A)	Aristotle
			B)	LaMarck
			C)	Pasteur
			D)	Urey
5.			When you touch a hot pan on the stove with your hand, you quickly move your hand away. How do you describe your hand's movement? Need a Hint?
			A)	It is an SI measurement.
			B)	It is a dichotomous key.
			C)	It is part of scientific methods.
			D)	It is a reaction.
6.			You want to find out how much water an aquarium tank can hold. Which SI measurement unit would you use? Need a Hint?
			A)	tonnes
			B)	grams
			C)	meters
			D)	liters
7.			You want to measure the length of a mouse's tail. Which SI measurement unit would you use? Need a Hint?
			A)	milliliters
			B)	kilometers
			C)	centimeters
			D)	kilograms
8.			When a scientist classifies a newly discovered plant, its __________ is studied. Need a Hint?
			A)	biogenesis
			B)	variable
			C)	phylogeny
			D)	transpiration
9.			Which person developed a system of organism classification in use today? Need a Hint?
			A)	Oparin
			B)	Linnaeus
			C)	Marconi
			D)	Einstein
10.			In order to draw conclusions about a scientific problem, which is true? Need a Hint?
			A)	A scientist never revises the hypothesis.
			B)	A scientist can accept the hypothesis.
			C)	A scientist will always reject the hypothesis.
			D)	A scientist will choose whether or not to form a hypothesis.
11.			What is the process in which new organisms replace those that die? Need a Hint?
			A)	reproduction
			B)	photosynthesis
			C)	phylogeny
			D)	homeostasis
12.			What is the length of time an organism is expected to live? Need a Hint?
			A)	homeostasis
			B)	stimulus
			C)	a life span
			D)	a scientific method
13.			Which of these is a tool used to identify organisms? Need a Hint?
			A)	a stimulus
			B)	a control
			C)	a dichotomous key
			D)	a hypothesis
14.			The theory that supposes that living things came from nonliving things is __________. Need a Hint?
			A)	phylogeny
			B)	mitosis
			C)	biogenesis
			D)	spontaneous generation
15.			How do many-celled organisms grow? Need a Hint?
			A)	The cells use energy from the Sun.
			B)	Bacteria invade the cells.
			C)	Only one of its cells gets bigger.
			D)	They make more cells.
16.			When a bright light shines in your eyes, you close your eyelids quickly. What is the bright light? Need a Hint?
			A)	a control
			B)	a predictor
			C)	a classification
			D)	a stimulus
17.			A prediction that can be tested is __________. Need a Hint?
			A)	a dichotomous key
			B)	a genus
			C)	a hypothesis
			D)	a variable
18.			The part of an experiment that can change is __________. Need a Hint?
			A)	a zygote
			B)	a law
			C)	a variable
			D)	a theory
19.			The first word in a two-word name of an organism identifies its __________. Need a Hint?
			A)	color
			B)	species
			C)	habitat
			D)	genus
20.			A system used to name species is __________. Need a Hint?
			A)	spontaneous generation
			B)	binomial nomenclature
			C)	polygenic inheritance
			D)	scientific methods

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