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Which of these is the best definition of Synthetic?
Changed physically by man but not chemically.
It is a chemical reaction because there is a new smell, taste, and color.
Atoms rearrange to make new molecules
Changed chemically by man but not physically.
It’s malleable and can be molded to different shapes
It is not flammable
True
a new substance has formed; it would be hard to reverse
Which of these is the best definition for natural?
Changed physically by man but not chemically.
It is a chemical reaction because there is a new smell, taste, and color.
Atoms rearrange to make new molecules
Changed chemically by man but not physically.
It’s malleable and can be molded to different shapes
It is not flammable
True
a new substance has formed; it would be hard to reverse
T/F Synthetic things come from Natural things.
Changed physically by man but not chemically.
It is a chemical reaction because there is a new smell, taste, and color.
Atoms rearrange to make new molecules
Changed chemically by man but not physically.
It’s malleable and can be molded to different shapes
It is not flammable
True
a new substance has formed; it would be hard to reverse
Which of the following best describes what a chemical reaction is?
Changed physically by man but not chemically.
It is a chemical reaction because there is a new smell, taste, and color.
Atoms rearrange to make new molecules
Changed chemically by man but not physically.
It’s malleable and can be molded to different shapes
It is not flammable
True
a new substance has formed; it would be hard to reverse
What is a property of water that makes it useful for putting out fires?
Changed physically by man but not chemically.
It is a chemical reaction because there is a new smell, taste, and color.
Atoms rearrange to make new molecules
Changed chemically by man but not physically.
It’s malleable and can be molded to different shapes
It is not flammable
True
a new substance has formed; it would be hard to reverse
At a family barbeque your Uncle Billy Bob Jr. puts a steak on the grill. Which of the following uses evidence to describe what is happening to the meat?
Changed physically by man but not chemically.
It is a chemical reaction because there is a new smell, taste, and color.
Atoms rearrange to make new molecules
Changed chemically by man but not physically.
It’s malleable and can be molded to different shapes
It is not flammable
True
a new substance has formed; it would be hard to reverse
What property of gold makes it useful in jewelry making?
Changed physically by man but not chemically.
It is a chemical reaction because there is a new smell, taste, and color.
Atoms rearrange to make new molecules
Changed chemically by man but not physically.
It’s malleable and can be molded to different shapes
It is not flammable
True
a new substance has formed; it would be hard to reverse
How do you know when a chemical reaction has occurred?
Changed physically by man but not chemically.
It is a chemical reaction because there is a new smell, taste, and color.
Atoms rearrange to make new molecules
Changed chemically by man but not physically.
It’s malleable and can be molded to different shapes
It is not flammable
True
a new substance has formed; it would be hard to reverse
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