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WorksheetsScience Midterm Exam Review Part Two
Total questions: 64
Worksheet time: 32mins
The _______________ is the stalk part of the stamen.
filament
anther
petal
sepals
On what part of the flower is pollen made?
anther
petal
stigma
sepal
_______________ are small green leaves that cover the flower bud.
sepals
petals
stamens
pistils
On a flower, the _______________ is the part between the ovary and the stigma.
style
petal
anther
filament
A _______________ is the part of the seed that stores food for seeds like beans and peanuts.
cotyledon
embryo
seed coat
endosperm
A _______________ tree produces cones.
coniferous
deciduous
fruit
flowering
A _______________ tree produces flowers or fruit.
deciduous
coniferous
evergreen
non-flowering
Four ways seeds are dispersed are:
Wind, water, animals, and gravity
Wind, fire, insects, and gravity
Water, sunlight, soil, and roots
Animals, insects, leaves, and stems
Flowers appeal to which two senses to attract pollinators?
Sight and smell
Taste and hearing
Touch and taste
Hearing and sight
A seed would remain dormant for a long period of time under which conditions?
When environmental conditions are unfavorable for germination
When there is abundant water and sunlight
When the temperature is optimal for growth
When the soil is rich in nutrients
What do plants that are not brightly colored or scented rely on for pollination?
wind
insects
water
birds
Plant that absorbs water nutrients directly through the cell wall: _______________
moss (nonvascular)
fern
pine
rose
Plant with tube-like structures that move water, minerals, and nutrients throughout the plant: ________________________________
Vascular plant
Nonvascular plant
Algae
Fungi
First organisms to grow in new or disturbed areas: __________________________
Pioneer species
Climax community
Secondary consumers
Decomposers
Give an example of an inorganic compound.
Water (H2O)
Glucose (C6H12O6)
Methane (CH4)
Ethanol (C2H5OH)
Give an example of an organic compound.
Glucose (C6H12O6)
Sodium chloride (NaCl)
Water (H2O)
Carbon dioxide (CO2)
Give an example of a consumer.
Lion
Grass
Sunlight
Rock
Give an example of a producer.
Grass
Lion
Eagle
Snake
Give an example of something in your home that is selectively permeable.
Window screen
Glass window
Metal spoon
Plastic chair
Wooden table
Name the 3 parts of an atom: __________________________
Proton, Neutron, Electron
Proton, Electron, Photon
Neutron, Electron, Positron
Proton, Neutron, Photon
Active transport requires _______________.
Energy
Osmosis
Diffusion
Gravity
What is the most important inorganic compound for living organisms? _____
Water
Carbon dioxide
Sodium chloride
Oxygen
Organic compounds are living or nonliving?
Living
Nonliving
Both living and nonliving
Neither living nor nonliving
Inorganic compounds are living or nonliving?
Nonliving
Living
Both living and nonliving
None of these
What is the cell process that causes a plant to wilt?
Cellular respiration
Photosynthesis
Mitosis
Osmosis
Name two types of active transport.
Endocytosis, Exocytosis
Diffusion, Osmosis
Facilitated diffusion, Filtration
Passive transport, Simple diffusion
Name two types of passive transport.
Diffusion, Osmosis
Active transport, Endocytosis
Photosynthesis
Exocytosis, diffusion
In which organelle does photosynthesis occur?
Chloroplast
Mitochondria
Nucleus
Ribosome
In which organelle does cellular respiration occur?
Mitochondria
Nucleus
Chloroplast
Ribosome
What is the energy source for photosynthesis?
Sunlight
Water
Carbon dioxide
Oxygen
What type of energy is produced in cellular respiration?
ATP (adenosine triphosphate)
Glucose
Oxygen
Carbon dioxide
What are the reactants of photosynthesis?
Carbon dioxide and water
Oxygen and glucose
Nitrogen and water
Sunlight and oxygen
What are the products of photosynthesis?
Glucose and oxygen
Carbon dioxide and water
Nitrogen and methane
Sulfur and hydrogen
What are the reactants of cellular respiration?
Glucose and oxygen
Carbon dioxide and water
Oxygen and carbon dioxide
Glucose and carbon dioxide
What are the products of cellular respiration?
Carbon dioxide, water, and ATP
Oxygen, glucose, and ATP
Carbon dioxide, glucose, and water
Oxygen, water, and glucose
Give the formula for photosynthesis:
6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂
C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O
6O₂ + 6H₂O → C₆H₁₂O₆ + 6CO₂
6CO₂ + 6O₂ → C₆H₁₂O₆ + 6H₂O
Give the formula for cellular respiration:
C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + ATP
C₆H₁₂O₆ + 6CO₂ → 6O₂ + 6H₂O + ATP
C₆H₁₂O₆ + 6O₂ → 6CO₂ + 12H₂O + ATP
C₆H₁₂O₆ + 12O₂ → 12CO₂ + 6H₂O + ATP
A cell in which a virus multiplies itself is a(n) ________.
Host cell
Red blood cell
Nerve cell
Muscle cell
A solution made from weakened virus particles that prevents viral diseases is a ___________.
Vaccine
Antibiotic
Antibody
Hormone
A(n) __________ enters a cell and becomes part of the cell's hereditary material without destroying the cell or copying itself.
latent virus
bacterium
enzyme
active virus
The pigment inside the organelle in plants that captures light energy and produces sugar molecules for food is __________.
chlorophyll
chloroplast
cellulose
cytoplasm
__________ is a scaffolding-like structure in the cytoplasm which helps the cell keep its shape.
Cytoskeleton
Mitochondria
Ribosome
Nucleus
Made of __________, a cell wall grows, gives shape to, and protects plant cells.
cellulose
glucose
protein
starch
Structures in cells that store food, water, and waste products are called __________.
vacuoles
mitochondria
ribosomes
chloroplasts
Experiments and investigations must be _______.
repeatable
expensive
dangerous
unpredictable
A prediction about a problem that can be tested is a(n) __________.
hypothesis
variable
theory
observation
A factor being measured in an experiment is the ________.
dependent variable
independent variable
control group
constant
A variable in an experiment that stays the same is a(n) __________.
constant
control
variable
factor
Science cannot answer questions about __________.
opinions or beliefs
chemical reactions
gravity
photosynthesis
Limitations of models include _______.
tendency to change
color
size
shape
Scientific _____ must be supported by observations and results from many investigations and are not absolute.
theories
laws
facts
opinions
The 3 branches of science are _______, Earth, and physical.
life
space
energy
matter
Another term for technology is _______.
applied science
natural science
social science
pure mathematics
When conducting an experiment, the last step is to _______.
draw a conclusion
formulate a hypothesis
collect data
make an observation
When designing an experiment, the first step is to ___________.
identify the problem
collect data
analyze results
formulate a hypothesis
A camera is an example of _______.
an instrument
technology
cell
a building
To evaluate the observation you make, you must use ___________.
inference
measurement
prediction
estimation
Scientists must be impartial and not base their conclusions on _____________.
personal opinion
experimental data
observations
evidence
To ____________ means to draw a conclusion based on something you observe.
infer
ignore
describe
predict
Identify the Independent and Dependent Variables for each: 1. You place different colored liquids in a hummingbird feeder and count how many hummingbirds visit.
Independent Variable: Color of liquid; Dependent Variable: Number of hummingbirds visiting
Independent Variable: Number of hummingbirds visiting; Dependent Variable: Color of liquid
Independent Variable: Type of feeder; Dependent Variable: Color of liquid
Independent Variable: Amount of liquid; Dependent Variable: Number of hummingbirds visiting
Identify the Independent and Dependent Variables for each: Listening to crickets, you count how many chirps you can hear at different temperatures.
Independent Variable: Temperature; Dependent Variable: Number of chirps
Independent Variable: Number of chirps; Dependent Variable: Temperature
Independent Variable: Time of day; Dependent Variable: Number of chirps
Independent Variable: Number of crickets; Dependent Variable: Temperature
Identify the Independent and Dependent Variables for each:
3. You place two fish in different sized tanks, after a month, you measure the length of the fish.
Independent Variable: Size of the tank; Dependent Variable: Length of the fish
Independent Variable: Length of the fish; Dependent Variable: Size of the tank
Independent Variable: Number of fish; Dependent Variable: Size of the tank
Independent Variable: Time; Dependent Variable: Number of fish
You give one plant fertilizer and compare how tall it grows to a plant that has not been fertilized.
Independent Variable: Fertilizer Dependent Variable: Plant height
Independent Variable: Plant height Dependent Variable: Fertilizer
Independent Variable: Water Dependent Variable: Plant height
Independent Variable: Sunlight Dependent Variable: Fertilizer
You spray mosquito repellant on one arm and count how many mosquito bites you have.
Independent Variable: Mosquito repellant, Dependent Variable: Number of mosquito bites
Independent Variable: Number of mosquito bites, Dependent Variable: Mosquito repellant
Independent Variable: Number of mosquito bites, Dependent Variable: Number of arms
Independent Variable: Mosquito repellant, Dependent Variable: Number of arms
