1st Semester Term Review SCFCS: 7th Grade Science
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The investigation and exploration of natural events and the new information that results from those investigations. | science
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| An educated guess. | hypothesis
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| The act of using your senses in an experiment. | observation
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| A statement of what will happen next in a sequence of events. | prediction
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| This has been proven over and over in repeated experiments. | scientific theory
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| A rule that describes a pattern in nature. | scientific law
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| An international system of measurement. | international system of units
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| Any factor that can have one or more value in an experiment. | variable
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| The Earth system that contains all living things. | biosphere
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| A mixture of gases from layers around the Earth. | atmosphere
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| The system that contains all of the water on Earth. | hydrosphere
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| The solid part of the Earth. | geosphere
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| Naturally occurring inorganic solids that have crystal structures and chemical compositions. | Minerals
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| The frozen portion of water on the Earth's surface. | cryosphere
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| A process where we take salt out of water. | desalination
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| This includes evaporation, condensation, precipitation. | water cycle
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| The state of the atmosphere at a certain time and place. | weather
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| The average weather pattern for a region over a long period of time. | climate
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| The process that moves large bodies of Earth materials to higher elevations. | uplift
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| The shape and steepness of a landscape. | topography
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| The removal of weathered material from one location to another. | erosion
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| The atmospheric layer that is closest to the Earth's surface. | troposphere
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| The middle layer of the Earth's atmosphere. | mesosphere
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| A mixture of dust, acids and other chemicals that can be hazardous to human health. | particulate matter
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| This falls below seven on the pH scale. | acid
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| If something is higher than 7 on the pH scale, it is __________. | alkaline
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| When something is 7 on the pH scale, it is __________. | neutral
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| This is the only gas that can change to a solid, it is how dry ice forms. | carbon dioxide
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| A hypothesis should ALWAYS be written in this type of statement. | if then
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| The color of a mineral's powder. | streak
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| The way a mineral;s surface reflects light. | luster
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| If a mineral can break along smooth, flat surfaces, it displays_________. | cleavage
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| A Mineral that breaks along rough or irregular surfaces displays this. | fracture
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| A naturally occurring solid mixture composed of minerals, smaller rock fragments and organic matter. | rock
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| Individual particles in rock are called ________. | grains
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| Rock and mineral fragments that are loose or suspended in water | sediment
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| The process through which sediment turns to rock | lithification
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| What causes flat minerals to line up, giving the rock a layered appearance? | foliation
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| The laying of sediment to a new location. | deposition
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| The preserved remains or evidence of past living organisms | fossils
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| The process where one element naturally changes to another | radioactive decay
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| A visual record of Earth's history, with individual units based on changes in rocks and fossils | geologic time scale
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| This scientist proposed the idea that the Earth was once a supercontinent. | Alfred Wegener
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| The hypothesis that continents are in constant motion on the Earth's surface | continental drift
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| A state where magnetized objects orient north. | normal polarity
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| When a magnetic field reverses direction. | magnetic reversal
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| When magnetized objects reverse direction and orient themselves to point south. | reversed polarity
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| This theory states that the Earth's surface is made of rigid slabs of rock, that move with respect to each other. | plate tectonics
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| These form where two plates separate. | Divergent plate boundaries
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| This boundary forms when two plates slide past each other. | transform plate boundaries
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| These boundaries form when two plates collide. | convergent plate boundaries
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| When a denser plate sinks below more buoyant plates. | subduction
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| This force occurs as a slab sinks and it pulls the rest of the plate. | slab pull
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| This force causes plates move away from the ridge. | ridge push
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| When humans develop land, this will ultimately occur. | deforestation
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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