Chemistry Word Scramble
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Question | Answer |
What is the characteristic that is observed without changing the chemical makeup of a substance? | Physical property |
What is the characteristic that is observed when the substance undergoes a chemical change? | Chemical property |
What are the examples of physical property? | Color, hardness, state of matter , size, conductivity, freezing pt, melting pt, density, and malleability |
What are the examples of chemical property? | Reactivity with water, flammability, ability to support combustion, and rate of reaction |
What is an intensive physical property? | Doesn't depend on the amount of matter present |
What is an extensive physical property? | Does depend on the amount of matter present |
In the test tube, Does the highest density is more or less dense? | More dense |
In the test tube, Does the lowest density is more or less dense? | Less dense |
What are the examples of chemical change? | Boiling an egg, and milk souring |
What are the examples of physical change? | Cutting a grass, and tearing a paper |
What are the indicators of chemical change? | Color change, light is produced, gas is produced, precipitate (solid) is formed, and temperature change |
What is convection? | Transfer of heat energy in a gas or liquid( not solid) by movement of current |
What is conduction? | Transfer of heat energy through matter fromparticle to particle |
What is radiation? | Transfer of heat through rays |
What does the Law of Conservation of Mass states? | Mass of the reactant is equal to the mass of the product |
What is the kinetic energy? | Chemical property |
What is the potential energy? | Color, hardness, and state of matter |
What are the examples of chemical property? | Reactivity with water, and flammability |
What is an intensive physical property? | Doesn't depend on the amount of matter present |
What is an extensive physical property? | Does depend on the amount of matter present |
What is radiant energy? | Light energy |
What happens to an object if it is exothermic? | It releases energy, which makes it hot |
What happens to an object if it is endothermic? | It absorbs energy, which makes it colder |
What are the examples of physical change? | Cutting a grass, and tearing a paper |
What are the indicators of chemical change? | Color change, light is produced, gas is produced, precipitate (solid) is formed, and temperature change |
What is convection? | Definite |
What is conduction? | Transfer of heat energy through matter fromparticle to particle |
What are the 2 major types of mixture? | Homogenous mixture & Heterogenous mixture |
What are the 2 types of pure substance? | Elements & Compounds |
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