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| is measurements that measure height and weight. |
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| are descriptions that don't involve numbers of measurements. |
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| is the study of properties of matter and how matter changes. |
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| is the study of matter and energy and how they interact. |
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| refers to the different ways scientist study the natural world. |
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| the variable that is expected to change because its manipulated variable. |
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| an investigation in which all variables except one remain the same is called controlled experiment. |
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| is a statement that describes what scientist expect to happen every time under a particular set of condition. |
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| is a well tested explanation for a wide range of observation or experimental results. |
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| is someone trained to use both technological and scientific knowledge to solve practical problems. |
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| is any factor that limits or restricts design. |
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| working model used to test a design. |
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| 3 Skills Scientists Use to Learn More About the Natural World |
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| predicting, observing , inferring. |
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| Steps of the Scientific Method |
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ask a question, hypothesis, materials,
procedure data collected, results, report my data, conclusion, extension. |
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| is anything that has mass and takes up space. |
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| is a characteristic of a pure substance that can be observed without changing into another substance. |
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| is a characteristic of a pure substance that describes its ability to change into different substance |
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| is a pure substance that cannot be broken down. |
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| is the basic particle from witch all elements are made. |
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| groups of to or more atoms held together. |
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| Is a pure substance made of two or more elements chemically combined in a ratio |
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| is force of attraction between 2 atoms |
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| is made of two or more substances. |
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| is a example of homogeneous mixture. |
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| is the measure of force of gravity on you. |
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| the mass of a object is measurement of the amount of matter and object. |
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| The amount of space it occupies is called volume. |
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| relates the mass of a material in a given volume. |
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| is any change that alters the form or appearance of matter but does not make any substance in the matter of different substance. |
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| is the ability to do work to cause change. |
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| is the total energy of a particle. |
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| is the energy of matter in motion. |
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| when a chemical change occurs, these bonds are broken and new bonds form. |
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| a form of energy that travels through space as waves. |
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| as a define shape and defined volume |
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| has no definite volume but no shape of its own. |
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| change volume very easily. |
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| Changes between Solid and Liquid |
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| Changes between Liquid and Gas |
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| Changes between Solid and Gas |
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| outwards push divided by the area of the walls. |
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| the relationship between the pressure and volume of its gas is called Boyle's Law. |
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| when the temperature of a gas is increased at constant pressure. |
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| the theory of what a atom looks like |
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| is the smallest particle of a element. |
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| negative charged particle. |
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| positive charged particle. |
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| a center of a atom or a cell. |
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| atomic number identifies an element. |
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| atoms with the same number of protons and different numbers of neutrons |
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| is the average mass of all isotopes of a element. |
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| a man who made the first periodic table. |
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| is the average mass of all isotopes of a element. |
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| the properties of all elements repeat in each period or row. |
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the atomic number are the letters Fe-the
chemical symbol for iron |
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| a state of matter that consist of a gas like mixture of free electron. |
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| is a process in which two two atomic nuclei combine. |
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| is a element that lacks most of the properties of a metal. |
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| they do not ordinarily form compound's. |
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| have some characteristics of a metal |
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