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WorksheetsMTTC science
Total questions: 68
Worksheet time: 2hrs 36mins
A teacher is assessing students' use of the inquiry process during a unit on electricity and magnetism. Which assessments would be most effective for this purpose?
having students answer open-response questions at the end of the unit
observing the students and taking notes while they are engaged in investigations
filling out a KWL chart with students at the beginning of the unit
giving the students a multiple-choice test
A third-grade teacher is using an activity that she found on the internet. When she looks at the materials needed for the activity, it says, "caustic" on it. Why can't the teacher use this activty in the classroom
it causes severe allergic reactions
it rapidly combusts
it causes chemical burns on the skin or eyes
it emits toxic vapors that may be bad if inhaled.
A researcher is trying to determine why hemlock trees in an area are dying but others are unnaffected. What testable hypothesis can help determine the cause of the decline of Hemlock trees?
a pest that infests the trees but does not attack others has spread into the area.
the relationship of hemlock trees and other organisms that make up biotic community changed over time.
Global climate change has caused this.
Hypothesis: Aphids are more likely to attack plants that are experiencing environmental stress than plants that are growing in a less stressful environment.
Which is the most effective way to test this hypothesis?
place 10 pairs of pots containing plants at random locations in a garden. Water one pot in each pair adequately and the other pot only when it wilts. Count and compare the number of aphids that attack each plant.
Measure how tall the plants are. Group them into two categories (tall and short). Count and compare which plants aphids are eating.
Plant 10 plants in a sunny area. Plant another 10 in a dark room. Count and compare how many aphids attack each plant.
A scientist would need both a graduated cylinder partially filled with water and an electronic scale to determine the
a mass of a rock sample
surface area of a flight feather
volume of the oil
density of a bone
A newspaper headline reads, "Common Garden Herb Fights Cancer". The magazine showed 3,000 people regularly used a common herb and had 30% less stomach cancer. Which explains why the magazine is misleading?
individuals in the study may have shared other factors which lowered their risk of stomach cancer.
The sample size was too small to tell if there is correlation between the herb and the cancer
The herb was only used by magazine subscribers so it is not valid.
Which of the following is the primary environmental problem associated with using nuclear power to generate electictiy?
production of hazardous waste that requires long-term storage
release of airborne pollutants causing acid rain
discharge of heavy metals in the waterway
emission of greenhouse gases that contribute to global warming
Which terms describes the relationship between the events identified in column 1 and those in column 2?
system and subsystem
stimulus and feedback
order and organization
constancy and change
When a class is planting seeds in a cup of soil, some students overwatered their seeds. How can the teacher promote scientific analysis and reflection skills?
Sprout the seeds in wet paper towels rather than soil so they can see the germination process
ask students to brainstorm ideas as to why the seeds failed to germinate
explain to the class that some students failed because they over watered their seeds
Which of the following best describes the function of the lamellae of fish gills?
increasing surface area available for oxygen absorption.
slow movements underwater as it passes the gills
provide support for the gills arches
The process of deposition would occur in which of the following stages?
stage 1
stage 2
stage 3
stage 4
A teacher has been teaching weather, including the temperature, humidity, wind direction, and amount of rainfall every day. Which of the following strategies would be most effective to assess students' knowledge after this unit?
have students use their collected weather data to explain the past weeks' weather in a written summary
give students a test in which they explain illustrations of weather phenomena.
giving students an assignment to make a weather tool and use them to collect weather data at home
students verbally explain weather factors that are most important to measure everyday.
highest tide occur during a full moon because
sun, moon, and earth form one line
earth/moon system is closes to sun
axis of the earth points to the moon
Why is clear-cut logging in hilly regions a serious environmental problem?
increased soil erosion and silting of local streams
reduce diversity of tree species when the forest generates
explosion of insect and pathogen population
What's the purpose of teaching student to build a terrarium
processes contributing to the cycling of water through an ecosystem
transfer of energy across trophic levels in an ecosystem
role of decomposition in nutrient cycling in an ecosystem
factors and influence biological diversity in an ecosystem
Which of the following is an example of a way a living organism chemically changes matter?
a plant uses energy from the sun to produce sugars
a fungus releases spores from fruiting bodies
fish obtains oxygen from the water through its gills
a chipmunk removes the shell from nuts before eating them.
What's malleable, ductile, and a good conductor of heat and electricity when at room temperature?
silver
glass
rubber
carbon
Which processes captures light energy and stores it as chemical energy?
solar panel charging a cell phone
heating dark objects placed in the sun
magnifying lens focusing sunlight to burn wood
Which is an example of Newton's third law, that every action has an equal and opposite reaction?
tuna minimizes water resistance when it swims
a squid propels itself through the ocean by blowing water out its siphon
a perch pumps gases into and out of its swim bladder
The steps to the scientific process include
asking a question, do background research, make a hypothesis, test with an experiment, analyze data, communicate results
asking a question, make a hypothesis, test with an experiment, analyze results
asking a question, make a hypothesis, do research, test with an experiment, analyze data, give results
caustic means
corrosive; cause tissue injury by a chemical reaction.
causing pain; only if it goes into the mouth
washing your eyes out with water and a special solution
Empirical evidence is
information acquired by observation or experimentation. Scientists record and analyze this data. The process is a central part of the scientific method.
information acquired from a textbook. Scientists use it to form hypothesis. It is an important part of the scientific method
Best type of evidence you can find when doing an experiment. Only evidence that shows your hypothesis is correct.
Unicellular means
single celled organism
multi-cellular organism
duorganism
dual organism
How do single celled organisms obtain energy
they don't rely on other organisms to obtain their energy. They undergo processes such as photosynthesis or chemosynthesis to sustain themselves.
they mate with other organisms with the same genotype
they rely on other organisms to get their energy.
How do multicellular organisms obtain energy?
they make their own food and they get it by consuming other organisms
they eat themselves
they consume only organisms smaller than themselves
What are the seven layer classification system?
Kingdom, Phylum, Class, Order, Family, Genus, Species
Kingdom, Phosphate, Chlorophyll, Fungus, Genius, Special
Kingdom, Physios, Class, Oxygen, Fungus, Genus, Species
eukrayote
has a nucleus
does not have a nucleus
has two or more cells
one cell
prokaryote
has a nucleus
does not have a nucleus
one celled organism
two celled organism
Which Kingdom have organsms that are eukaryote, can have one cell or multiple, reproduce sexually or asexually?
fungi
insects
monkeys
cells
heterotroph
can't make own food; relies on other organisms.
makes its own food
single celled
atrotroph
biotic
relating to life; ecology
not relating to life
physical rather than biological; not derived from living organisms.
physical rather than biological; not derived from living organisms.
abiotic
biotic
multicellular
unicellular
What is the water cycle?
precipitation, surface runoff, groundwater, evaporation, condensation,
precipitation, condensation, evaporation, ground water
water runoff, precipitation, evaporation, condensation
When the moon gets between Earth and the sun, and the moon casts a shadow over Earth.
solar eclipse
lunar eclipse
new moon
full moon
When the moon gets between Earth and the sun, and the moon casts a shadow over Earth.
solar eclipse
lunar eclipse
full moon
half moon
Snow falling on the sheltered side of a lake, generated by cold dry air passing over warmer water, especially in the Great Lakes region.
nor'easter
lake effect snow
blizzard
el nina
A scientific theory describing the large-scale motion of seven large plates and the movements of a larger number of smaller plates of the Earth's lithosphere
plate tectonics
stratosphere
mesosphere
mantle
The mantle
Lies between Earth’s dense, super-heated core and its thin outer layer, the crust.
at the earth's middle core
on the outer layer of the earth's crust
The basic unit of a chemical element
a nucleus
an atom
a proton
a neutron
A group of atoms bonded together
Protons
Molecules
Neutrons
The state or power of being reactive or the degree to which a thing is reactive.
reactivity
degree
state of matter
molecules
Which is NOT a type of force?
Frictional Force
Gravitational Force
Spring Force
Caloric Force
An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
Newton's First Law
Newton's Second Law
Newton's Third Law
The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.
Newton's first law
Newton's second law
Newton's third law
For every action, there is an equal and opposite reaction.
Newton's first law
Newton's second law
Newton's third law
Energy that is stored is
potential energy
electrical energy
kinetic energy
chemical energy
Energy of motion is
Kinetic energy
potential energy
chemical energy
electrical energy
Chemical energy is
energy that is stored in chemical bonds
combination of kinetic and potential energy
energy from moving electrons
The combination of kinetic and potential energy is
mechanical energy
electrical energy
chemical energy
Law of Conservation of Energy
energy can not be created or destroyed; only transferred or transformed
energy can not be transferred or transformed; only created or destroyed
Conduction is
energy transfer by direct contact
heat energy transfer by moving particles
energy transfer by EM waves
Heat energy transfer by moving particles is
conduction
convectoin
connection
Light can
pass through matter
bounce off matter
be taken in by matter
all of the above
refraction
light passes through a material, slows down, and bends
light that passes through an object
light taken in and converted
Opaque
blocks all light
light passes through but is scattered
light passes through an object without changing.
light passes through but is scattered
translucent
transparent
opaque
Name the 5 biomes
aquatic, desert, tundra, forest and grasslands
aquatic, desert, artic, temperate, frigid
aquatic, desert, rainforest, plains, temperate
In an experiment, the one factor that is purposely changed to test a hypothesis is called
dependent variable
control
independent variable
The ________ changes because of the Independent Variable.
independent variable
control
manipulated variable
dependent variable
This is a picture of a
lunar eclipse
solar eclipse
solar system
This is a picture of a
lunar eclipse
solar eclipse
solar system
The nucleus of an atom include
A proton and a neutron
Nuetrons
Protons
Electrons
When atoms share an electron
Covalent bond
Ionic bond
Electronic bond
When one atom transfers an electron to another
Ionic bond
Covalent bond
Electron bond
Measure of the amount of substance in an object
Mass
Weight
Volume
Elements
One type of atom
Several types of atoms
Which features result from constructive forces?
Volcanoes have been constructed within the valley by rising magma.
Continents shifting from right to left.
wind eroding hills and mountain tops
A physical phenomenon produced by the motion of electric charge, resulting in attractive and repulsive forces between objects.
Electricity
Magetism
Gravity
