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Worksheetsohio science test 8th grade
Total questions: 15
Worksheet time: 22mins
Which of the following is an example of static electricity?
A dry cell battery connected to wires lights up a light bulb
A balloon sticks to a wall after it is rubbed with a piece of wool
A magnet sticks to a refridgerator door made of metal
a light switch that is turned on runs a ceiling fan
When plants undergo photosythesis they produce--
carbon dioxide
oxygen
hydrogen
nitrogen
What is the definition of EUTROPHICATION?
Occurs when individuals leave a population.
Relationship in which two or more organisms depend on the same limited resource.
An interaction between two or more living things in which they are said to work together.
Process in which organic matter and nutrients build up in a body of water.
Which scientific discovery supports the claim that Earth has changed over time?
Plants use sunlight to grow and create sugars.
Oceans cover a majority of the surface of Earth.
Animals can live in different climates on Earth.
Rocks found on different mountains are different ages.
Fossil evidence shows that Archaeopteryx, an ancient bird-like animal, had many reptile-like features including a long tail with many vertebrae and claws. Which conclusion does the fossil evidence support?
Birds and reptiles laid eggs.
Birds and reptiles had similar evolutionary beginnings.
Birds and reptiles had similar behaviors.
Birds and reptiles lived at the same time in the ancient past.
A coal-burning facility is constructed in an area containing several pond ecosystems. How will this human activity most likely affect the pond ecosystems?
More nutrients will be available.
Organism diversity will increase.
Disease will become less common.
Water quality will be reduced.
Which instrument is used to take an image from outer space that shows the depletion of the ozone layer in Earth’s atmosphere?
microscope
planetarium
satellite
spectroscope
What is the definition of LIMITING FACTOR?
Occurs when individuals join a population.
Occurs when individuals leave a population.
The maximum number of individuals an environment can support at any given time.
An environmental factor that prevents an organism or population from reaching its full potential of size or activity.
The graphic shows the stages in the development of the solar system. Which statement best describes the process of the formation of the solar system?
Gravity pulled the gas and dust together.
A black hole pulled the gas and dust together.
Magnetism attracted the gas and dust together.
An explosion pushed the gas and dust together.
Abiotic or Biotic: Water
Abiotic
Biotic
Scientists find evidence of a large meteor impact on the coast of the Yucatán Peninsula in Mexico. What can the scientists most likely expect to find in the layers of rock that are about the same age as the impact?
evidence of the mass extinction of many species
evidence of a gradual change of one species over time
evidence of a rapid change in one species
evidence of the stability of many species over time
Identify the heat-transfer process represented by the arrows in the diagram. (NYS 8th grade Science Test 2014)
absorption
conduction
convection
radiation
What is the definition of ESTUARY?
An area where fresh water mixes with salt water from the ocean.
The land between high and low tides that includes beaches and rocky shores.
An area of land that is sometimes underwater or whose soil contains a great deal of moisture.
Underwater zone from the shore to the edge of the continental shelf.
Which Earth layer contains convection currents that are believed to be responsible for the movement of Earth’s tectonic plates? (NYS 8th grade Science Test 2016)
crust
mantle
outer core
inner core
