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The horizontal axis is the _________ variable.
independent/manipulated
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The _____ axis is the responding variable.
vertical
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Axis are numbered using the ____ interval.
same
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Each axis is labeled with the ________ and the ____.
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A student visits a stream. The student writes down four statements in his notebook. Which statement is an inference?
B) The stream was formed during the last Ice Age.
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A student is rolling a ball down a ramp. Which statement is an observation?
A) The ball rolled 86.3 cm in 3.0 seconds.
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Which set of items could be used to make observations during an experiment?
D) sight, ruler, stopwatch
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An orderly process used to solve problems and investigate the world is
D) scientific method
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A student decides to enter a science contest that requires and original research project. What is the first step she must take in doing the research?
B) state the problem to which she wants to find an answer
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The information that has been collected through observation and measurement is called the
A) data
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In an experiment, the factor that is being tested and changed is the
B) variable
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Diagrams, tables, and graphs are used by scientist mainly to
A) organize data
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All of the following are safe procedures to follow when heating a beaker of water except:
B) remove your goggles when you put the beaker on the hot plate
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The length of a sneaker is best measured in:
D) centimeters
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The mass of a very large boulder is best expressed in
C) kilograms
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Plants produce a variety of substances: food, flavorings, drugs, poisons. This is a result of the life process of
D) synthesis
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A migrating bird needs a large amount of energy. Which life process directly provides this energy?
A) aerobic cellular respiration
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All organisms have structures that remove wastes such as carbon dioxide and excess water. This life process is called.
D) excretion
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A life process that must be carried on by every living organism is called
A) respiration
-
A life process that is not necessary to the survival of the individual organism is called
A) reproduction
-
The maintenance of a constant internal environment is called
B) homeostasis
-
Living organisms are classified into kingdoms based on
D) structure
-
Which is the correct order in the classification system for organisms?
A) kingdom, genus, species
-
Which classification group has the greatest similarity among its members?
A) species
-
Which classification category has the greatest number of different types of organisms?
B) kingdom
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A one-celled organism with a nucleus, chloroplasts, and the ability to move is a
B) protist
-
A organism who is multicellular, doesn't have a nucleus in each cell, not green, and has the ability to move is a(n)
C) animal
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A species that is multicellular, has a simple root system, is non-green, and can not move on its own would be
C) a fungi
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Which cell structure controls most cell activities and the inheritance of traits?
A) nucleus
-
The movement of material into and out of the cell is controlled by the
A) cell membrane
-
Which structures are found in a cell from a dog?
B) cytoplasm, nucleus, cell membrane
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Which is the most common compound found in cytoplasm?
A) water
-
A cell has a cell membrane, nucleus, cell wall, and chloroplasts. This cell is most likely from
B) a plant
-
2 things animal cells and plant cells have in common
-
2 structures found only in the plant cell
-
Bacteria of decay (decomposers) are important components of an ecosystem because they
A) recycle organic matter
-
As a member of the ecological community, humans are classified as
B) consumers
-
Solar energy enters food chains through the life processes of
D) producers
-
The decomposers that decay plant and animal matter in an ecosystem include
A) bacteria and mushrooms
-
The typical sequence for a food chain is
C) green plants --> herbivores --> carnivores
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In the food chain: algae --> minnow --> trout --> X, which organism could be X?
D) human
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In a food web, the greatest amount of chemical energy is provided by
A) producers
-
Overpopulation of deer in an area will most likely cause
D) an increase in competition among the deer
-
In an abandoned field, the grasses were slowly replaced by small bushes and then years later by a forest of trees. This is known as
D) ecological succession
-
Which activity has a negative effect on the environment?
C) use of chemical pesticides
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