Unit 1 lesson 1-4 Word Scramble
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Term | Definition |
Matter | is anything that takes up space and has mass |
Mass | describes the amount of matter in an objects |
Weight | is a measure of gravitational force on an object |
Volume | the amount of space that an object takes up |
Density | is a measure of the amount of mass in a given volume |
Physical Property | a characteristic of a substance that can be observed and measured without changing the identity of the subsence |
Chemical Property | describes a substances ability to change into a new substance with different properties |
Physical Change | is a change that affects one or more physical properties of a substance |
Chemical Change | occurs when one or more substances change into entirely new substances with different properties |
Law of Conservation of Mass | states that in ordinary chemical and physical changes, mass is not created or destroyed but is only transformed into different substances |
Atoms | are the smallest unit of an element that maintains the properties of an element |
Element | is made up of one or more of the same kind of atom chemically combined |
Compound | is made up of different kinds of atoms chemically combined |
Mixture | contains a variety of elements and compound that are not chemically combined with each other |
Pure Substances | elements and compounds |
Heterogeneous | a mixture that does not have a uniform composition |
Homogeneous | a mixture with sweet taste |
Solid | substance has a definite volume and shape |
Liquid | substance has a definite volume but not a definite shape |
Gas | does not have a definite volume or shape |
Freezing | when a liquid becomes a solid |
Melting | when a solid becomes a liquid |
Evaporation | when a liquid becomes a gas |
Condensation | when a gas becomes a liquid |
Sublimation | when a solid becomes a gas |
Deposition | when a gas becomes a solid |
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