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Science Midterm 200

IHS Physical Science Vocab list

QuestionAnswer
Life Science Biological Science; a subdivision of Natural Science.
Observations Any thing observable of an object or thing, using the senses.
SI Units The International System of Units that scientists use; The Metric system and all it's prefixes.
Gram Basic mass unit of the Metric system.
Bar Graph Graph that compares values of items.
Natural Science One of the main 2 branches of Science. Deals with trying to understand how the universe behaves.
Earth Science A subdivision of Natural Science; Geology + Meteorology.
Density How much matter is in the volume of a substance.
Compound Substance made up of atoms of different elements.
Mixture a combination of substances that are not chemically combined.
Reactivity The capacity to combine with another substance.
Nonflammability Inability to burn.
Matter Anything with mass that takes up space.
Geology A branch of earth science that deals with physical nature and the history of earth.
Precision Indicates how close measurements are to each other.
Meter Basic unit of distance for the Metric System
Line Graph used to show continuously changing data.
Significant Figures How accurate a measurement is.
Physics The science of forces and energy.
Physical Science A subdivision of Natural Science; Chemistry + Physics
Element A substance that can't be broken down into a simpler substance by simple chemical means.
Molecule The smallest unit of a substance that still behaves like the substance.
Chemical Property Describes how a substance changes into another substance. Not as easy to observe as physical properties.
Boiling Point The point at which something boils.
Mass Lbs, grams, kilograms, tons, Oz, micrograms, nanograms, etc.
Chemical Change Happens when one or more substances are changed into entirely new substances that have different properties/characteristics.
Scientific Method An organized series of steps that scientists use to solve a problem.
Accuracy Indicates how close a measurement is to the true value
Liter Basic unit of volume for the metric system.
Pie graph Shows parts of a whole; a circle graph
Scientific Notation Method of reducing the number of zeros in very big or very small numbers and expressing them as a power of 10.
Chemistry Science of matter and how it changes.
Hypothesis Possible explanation of an event of solution to a problem.
Created by: Kaitmariee
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