Vocabulary
Multiple Choice
Wild Card
Matching 1
Matching 2
100
These properties determine the ability of a substance to REACT with other materials to form a new substance. A. physical properties B. chemical properties C. ductility D. texture
What is B. chemical properties
100
T/F: Metals to the far left in the periodic table of elements are the most reactive?
What is True
100
When a physical change occurs, which of the following stays the same? A. the molecules B. state of matter C. atomic make up D. Both A and C
What is D. Both A and C. In a physical change, both the molecules and the atomic make up of a substance, stays the same. Also, COLOR is NOT a physical property. You cannot measure color.
100
Which type of reaction is: rotten apple A. combustion B. decomposition C. Double Replacement D. Oxidation
What is B. decomposition
100
Which type of reaction is: rusty screw A. combustion B. decomposition C. Double Replacement D. Oxidation
What is D. Oxidation
200
These properties are differences you can see in an object, such as color and shape. A. physical properties B. chemical properties C. ductility D. texture
What is A. physical properties
200
An exothermic reaction in which the substance combines with oxygen. A. decomposition B. double replacement C. combustion D. malleability
What is C. combustion
200
True or False: Water changing from a liquid to a solid (like when water changes into ice) is a chemical change.
What is False: The atoms/molecules have not chemically changed, but a physical change did occur.
200
Which type of reaction is: a penny turning green A. combustion B. decomposition C. Double Replacement D. Oxidation
What is D. Oxidation
200
Which type of reaction is: logs in a fire A. combustion B. decomposition C. Double Replacement D. Oxidation
What is A. combustion
300
This is a physical property that means an object can float in a liquid. A. physical properties B. chemical properties C. buoyancy D. texture
What is C. buoyancy....whether the object floats or rises is determined by density.
300
T/F: Decomposition is a chemical change that can make food spoil?
What is False-it's bacteria....you can prevent this by using wax paper or aluminum foil.
300
True or False: In a decomposition reaction, you can see the original substance after the reaction still?
What is False: In this type of reaction, once it does react it is broken down into simpler substances.
300
Which type of reaction is: lighting a camp fire A. combustion B. decomposition C. Double Replacement D. Oxidation
What is A. combustion
300
Which type of reaction is: moldy pickles A. combustion B. decomposition C. Double Replacement D. Oxidation
What is B. decomposition
400
Metals that are drawn into thin threads without breaking have the physical property of this? A. texture B. density C. ductility D. buoyancy
What is C. ductility
400
What is the formula for finding density of an object? A. volume + mass B. Volume - mass C. volume divided by mass D. mass divided by volume
What is D. mass divided by volume
400
What are three signs that a chemical change has taken place?
What is color change, new substance formed, heat or light given off, bubbles.
400
Give an example of a suspension? Give an example of a colloid?
What is: a suspension (a mixture that contains particles that are large enough to be seen)-orange juice colloid (suspensions that are not easily filtered because of how small the particle size is)-house paint or dishwashing fluids.
400
Which type of reaction is: hydrogen and hydroxide combine to make water A. combustion B. decomposition C. Double Replacement D. Oxidation
What is C. Double Replacement
500
How the surface of an object feels is it's ________. A. texture B. density C. ductility D. buoyancy
What is A. texture
500
An alloy is?
What is A metal combined with another metal-therefore, it is a solid that can be dissolved in a solid. For example copper and tin=bronze
500
True or False: Helium is a noble gas
What is True-this means it is stable and NON-reactive
500
Which type of reaction is: sodium and chloride combine to make sodium chloride A. combustion B. decomposition C. Double Replacement D. Oxidation
What is C. Double Replacement-a reaction in which ionic compounds exchange ions with each other.
500
What is the difference between a mixture and a compound?
What is: Mixtures can be separated physically because they are not chemically combined.
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