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Phys science exam

QuestionAnswer
Density is an example of a A. chemical property B. chemical change C. physical property D. physical change C. physical property
A characteristic of matter that allows it to change into something new is a A. physical property B. physical change. C. chemical property D. chemical change C. chemical property
The following are examples of chemical properties EXCEPT A. the ability to burn B. the ability to be crushed C. the ability to react with oxygen D. toxicity B. ability to be crushed
One of the physical properties of bases is that they A. taste sour B. feel slippery C. crumble D. corrode metal B. feel slippery
All of the following are examples of physical changes EXCEPT A. melting B. evaporating C. burning D. solidifying C. burning
All of the following are examples of chemical weathering EXCEPT A. acid rain B. cave formations C. rocks breaking because of ice D. pollution C. rocks breaking because of ice
The following are examples of physical properties EXCEPT for A. density B. shape C. color D. ability to react with oxygen D. ability to react with oxygen
Which of the following is an example of a physical change A. evaporation in a swamp cooler B. electricity produced by a dry cell C. digestion of a hamburger D. rusting of a car body A. evaporation in a swamp cooler
Which of the following is an example of a chemical change? A. painting a house B. freezing water C. bending steel D. baking soda in water D. baking soda in water
Which of the following is an example of a chemical change? A. bending a pop can B. evaporation of milk C. melting of wax D. burning paper D. burning paper
Three example of physical change A.boiling of water bursting a balloon and crumpling piece paper B.burning of gasoline rotting of egg and exploding fire work C.freezing water evaporation of gasoline and rusting nail D.sawing wood crushing can and toas A. bowling of water, bursting a balloon, and crumpling piece of paper.
The shape of an apple is a A. chemical change B. chemical property C. physical change D. physical property D. physical property
Fog is an example of a A. colloid B. compound C. solution D. substance A. colloid
When a log burns in a fire, A. a physical change has occurred B. mass is gained C. mass is lost D. new substances are formed D. a new substance is formed
BLANK is another name for a homogeneous mixture A. liquid B. solution C. substance D. suspension B. solution
When two or more substances are combined so each substance can be separated by physical means the result is a A. chemical change B. compound C. element D. mixture D. mixture
A BLANK is NOT a mixture A. colloid B. compound C. suspension D. solution B. compound
The scattering of light by colloids is called A. air pollution B. conservation C. suspension D. The Tyndall Effect D. The Tyndall Effect
BLANK is not a homogeneous mixture A. a salad B. glue C. vinegar D. Gelatin A. a salad
What do two or more elements combine to form A. a compound B. an element C. a substance D. a solution A. a compound
What is baking soda considered? A. a heterogeneous mixture B. a homogeneous mixture C. an element D. a compound D. a compound
Magnetism easily separates what mixture? A. sand and glass B. sand and iron C. sand and clay D. sand and aluminum B. sand and iron
Cleaning tarnished silver is an example for which of the following A. chemical change B. chemical property C. physical change D. physical property A. chemical change
What is chalk considered A. an element B. a colloid C. a compound D. a solution C. a compound
composition variable mixture
has mass, takes up space matter
two or more elements combined compound
all atoms the same elements
composition definite substance
A description of an object based on what you observe with your senses includes PHYSICAL PROPERTIES True
The ability of a match to burn is an example of a CHEMICAL CHANGE False; chemical property
One of the chemical properties of acids is that they CORRODE METAL True
A PHYSICAL property is a characteristic of something that allows it to change to something new False
The loss of beachfront due to erosion of sand by the ocean is an example of PHYSICAL WEATHERING True
Substances are either elements or MIXTURES False
The color of a substance is a PHYSICAL property True
Smoke is a COMPOUND False
DISTILLATION is a way to separate a mixture using the physical property of boiling point True
The law of conservation of mass states that the mass of all substances before a PHYSICAL change equals the mass of all the substances after the change False
Colloids are MIXTURES True
The freezing of water is a CHEMICAL change False
Homogeneous mixtures include *colloids, solutions, and suspensions* False
When lightning converts oxygen gas, O2, in ozone, O3, it is a PHYSICAL change False
A fruit salad is a HOMOGENEOUS mixture False
Flammability is a PHYSICAL property False
When a firecracker explodes, mass is LOST False
If a mixture scatters light and does not settle upon standing, it is a SUSPENSION False
A suspension is a HOMOGENEOUS mixture False
The breaking of glass is a PHYSICAL change True
Using oxygen to separate molten copper sulfide into copper and sulfur dioxide is a PHYSICAL change False
Created by: terw1911
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