Post-Test
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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| Volume | The amount of space occupied by an object. (measured in mL or cm3)
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| Compound | A pure substance composed of two or more different elements that are chemically bonded. Examples: CO2, NaOH, NaCl
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| Atoms | Tiny particles that make up all matter that cannot be seen with the naked eye. (a single microscopic unit of matter)
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| Matter | Anything that has mass and takes up space
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| Mass | The amount of matter in an object (measured in grams)
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| Element | A pure substance that is composed of a single type of atom. Examples include: Silver (Ag), Iron (Fe), Boron (B)
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| Hypothesis | Problem which the lab activity is designed to solve; Suggested solution to a problem; educated guess
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| Scientific Method | Model or guide used to gather information and solve problems
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| Dependent variable | the factor that changes as a result of changes to the independent variable in an experiment; also called responding variable
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| Independent Variable | the one factor that a scientist changes during an experiment, also called the manipulated variable
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| beaker | wide, cylinder shaped vessel used to hold liquids
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| graduated cylinder | tall, narrow container that has markings so that it can be used to measure the volume of liquids; measures in milliliters
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| triple beam balance | a device used to find the mass of objects; measures in grams
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| microscope | Is an instrument that magnifies very tiny things in order to make them appear larger.
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| Stopwatch | device used to measure time
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| Solid | The particles are tightly packed together and can only vibrate in place
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| Gas | The particles move and spread far apart, filling all the space available
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| Liquid | A state of matter that has a definite volume, but not shape of its own; it will take the shape of a container that it is put in;
The particles move around one another freely.
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| Conservation of Mass | When an object or substance undergoes a phase change, the mass of the object or substance stays the same
For example, if 5 grams of pure ice melts into liquid water, the liquid will also have a mass of 5 grams.
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| Motion | Change in an object's position over time relative to a reference point
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| Speed | Distance it travels divided by the time it takes to travel that distance
The rate at which an object moves
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| gravitational potential energy (GPE) | the increase in potential energy caused when an object is lifted up against the force of gravity. Related to height
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| kinetic energy | energy that an object has because it is moving
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| potential energy | the energy available as a result of an object's position or condition
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| Modeling | When you use a copy of what you are studying to help explain it.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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.
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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Created by:
nwysocki
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