REVIEW JU4L1. Natural And Synthetic Materials Question Preview (ID: 59044)
Quiz Prep.
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Which of these can you CLAIM to be a natural resource?
a) steel
b) rock
c) glass
d) concrete
Which material is a good conductor of electricity? (think wires)
a) plastic
b) wood
c) glass
d) copper
Which of the following is not made from synthetic materials?
a) a plastic cup
b) an aspirin pill
c) a cotton T-shirt
d) a glass window
What EVIDENCE do you have that cement is more useful than the limestone it is made from?
a) Cement can be poured into different shapes.
b) Cement is made through physical mixing.
c) Limestone is hard to get out of the ground.
d) Limestone is a renewable resource.
Which property determines whether a metal can be found in a pure state or only as an ore?
a) abundance
b) hardness
c) density
d) REACTIVITY
A certain metal is rare, soft, shiny, can be molded into shapes, and does not corrode. Which product would be a good use for this metal?
a) tools
b) jewelry
c) roofing
d) engines
Chlorine is a poisonous gas. Sodium reacts explosively with water. When chlorine and sodium react with each other, the product is the salt we sprinkle on our food. Your CLAIM?
a) Reactants are more dangerous than products.
b) Energy is released by some reactions and absorbed by others.
c) Products of a chemical reaction have different properties than the reactants.
d) When two reactants form one product, the reaction is spontaneous.
Fiberglass is a composite made of glass fibers and plastic. Which is NOT a physical property of fiberglass?
a) reflects sunlight
b) strong
c) moldable
d) lightweight
Which property of glass makes it suitable for making bottles?
a) cannot see through it
b) melts in the sun
c) flammable
d) made of sand, an abundant natural resource
Which is a valid CLAIM about chemical properties?
a) Chemical properties describe a material’s ability to undergo chemical reactions and form new substances.
b) Chemical properties include density and color.
c) Chemical properties include mass and melting point.
d) Physical properties can be observed without changing a material’s identity.
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