Science Test Prep Word Scramble
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Question | Answer |
What is the defintion for physical characteristic? | can be oberserved without changing the substance (5 senses; see, hear, touch, taste and smell) |
What are examples of physical characteristics? | color, odar, freezing point, density and color change |
What is the definition for physical change? | when the appearance of an object changes |
What are examples of physical change? | change of state, tearing, molding, evaporation, size/shape change and dissolving |
What is the defintion for chemical change? | the subtances created during a chemical reaction are completely different from the original substance |
What are characteristics for metals? | luster, ductility, malleability, magnetism, good conducter of electricity, shiny, etc |
What are characteristics of nonmetals? | dull, brittle, gas and poor conducter of electricity. |
What elements are most abundant in the atmosphere? | nitrogen and oxygen |
What elements are most abundant in the human body? | oxygen and carbon |
What elements are most abundant in the Earth's crust? | oxygen, silicon and carbon |
What elements are in the atmosphere? | argon, oxygen and nitrogen |
What elements are in the Earth's crust? | oxygen, silicon, iron, aluminum, calcium and nitrogen |
What elements are in the human body? | oxygen, carbon, hydrogen and nitrogen |
What is the difference between a compound and an element? | an element can't be broken down but a compound can because it's more than one thing |
How can you tell if a chemical formula is showing an element or a compound? | a compound has two or more letters and an element has one capitol letter |
What does electrical conductivity mean? | a physical property that describes how electricty can be conducted or carried through an object |
What does magnetic mean? | a physical property that describes if matter is attracted to a magnet |
What does luster mean? | is a physical property that describes if a object is shiny |
What does malleability mean? | is the physical property that describes if matter can be hammered into thin sheets |
What does brittle mean? | is a physical property that breaks easily if struck or hammered |
What does sublimation mean? | a solid to a gas |
What does ductility mean? | the ablity for a substance to be pulled into a wire |
What does state mean? | is the physical form in which a substance exists, such as a solid, liquid or gas |
What does density mean? | the amount of matter in a given space or volume |
What does solubility? | the ablity of a substance to dissolve into another substance |
What does thermal conductivity mean? | rate at which a substance transfers thermal energy |
What does pressure mean? | the amount of force exerted on a given area |
What does melting mean? | the change of state from a solid to a liquid |
What does freezing mean? | the change of state from a liquid to a solid |
What does vaporization mean? | the change of state from a liquid to a gas; includes boiling and evaporation |
What does boiling mean? | vaporization that occurs thoughtout a liquid |
What does evaporation mean? | vaporization that occurs at a surface of a liquid |
What does condensation mean? | the change of state from a gas to a liquid |
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