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primary succession
secondary succession
climax community
pioneer species
microhabitat
A volcano erupts, covering a mountainside with
layers of ash. What will happen after rain washes
away some of the ash?
A. Primary succession will begin
B. Seeds and roots will sprout and grow.
C. Pioneer plants will grown on the soil.
D. A climax community of hemlocks will grow.
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Organelle
Organ
A forest fire moves through an area. What will
happen next?
A. Primary succession will begin.
B. Pioneer plants will grow on bare rock.
C. A climax community will develop.
D. Seeds and roots will sprout and grow.
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Tissue
Cell
During an investigation, you accidently mix the
wrong chemicals in a beaker. Now the beaker is
getting warm. What should you do?
A. Pour the mixture into a sink and start over.
B. Tell your teacher what is happening.
C. Put on goggles and wait to see what happens.
D. Pass the beaker around so other students can feel
it.
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Chloroplast
Organ System
Organism
Which of these is a safe way to practice conservation
in a lab?
A. Save and reuse any glassware that has tiny cracks.
B. Pour any unused chemicals back into their storage
containers.
C. Know where the fire extinguisher is located.
D. Use only the necessary amounts of chemicals.
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nucleus
mitochondria
structure
Lisa and Jill have just finished an experiment in science
class that involved several different chemicals. Which of the
following is the BEST way for them to clean up their lab
area?
F. Ask the teacher to tell them the best way to dispose of
the chemicals.
G. Mix all of the chemicals together before pouring them
down the sink.
H. Throw all of the left over materials into the trash can.
J. Leave all of the left over materials on the lab table.
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vacuole
cell wall
cell membrane
Thomas and Matthew are conducting separate
science experiments. Thomas is working with
physical changes, and Matthew is working with
chemical changes. Which of the following will
BOTH Matthew and Thomas be doing during their
experiments?
A. Asking similar questions
B. Getting the same results
C. Using each other's materials
D. Making observations
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cytoplasm
function
Keanan wants to find out if a physical change will
occur when he shakes a rock inside of a coffee can
for 30 seconds. Which of the following sets of lab
equipment would allow him to BEST complete his
experiment?
F. timer, triple beam balance
G. ruler, timer
H. ruler, graduated cylinder
J. timer, thermometer
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photosynthesis
chlorophyll
Before beginning a lab activity in science class, a student
reads the instructions. She sees the following safety
symbol in the lab:
What does this safety symbol mean?
A. The student should plug in all electrical equipment first.
B. The student should follow all electrical safety guidelines.
C. The student should avoid using electricity during this
lab activity.
D. The student should locate all electrical outlets in the
science lab.
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stomata
transpiration
Use the desert food web above to
answer the following question: How is
this ecosystem MOST likely to be
affected by a large increase in the
number of rats?
F. The snake population will decrease.
G. There will be an increase in the
number of snakes, coyotes and hawks.
H. There will be a decrease in the
number of coyotes and hawks.
J. There will be an increase in the
number of cacti and sagebrush plants.
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chloroplast
Glucose
Which of the following is the symbol for
chlorine?
A. Cl
B. Ch
C. C
D. Ce
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trophic level
biomass
The chemical symbol for nitrogen is
__________.
F. Na
G. N
H. Ni
J. Ne
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producer
consumer
The chemical symbol Ca represents
__________.
A. chlorine
B. calcium
C. cesium
D. carbon
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decomposer
respiration
Which of the following is not an
element?
F. water
G. helium
H. nitrogen
J. sodium