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(T/F) In a chemical reaction, bonds between atoms are broken, and atoms rearrange and form new bonds.
True
True
It is a chemical reaction because there is a new smell, taste, and color.
a new substance has formed; it would be hard to reverse
One independent variable you change and a control test you compare it to.
Changed chemically by man but not physically.
It is not flammable
It’s malleable and can be molded to different shapes
Which of these is the best definition of Synthetic?
True
True
It is a chemical reaction because there is a new smell, taste, and color.
a new substance has formed; it would be hard to reverse
One independent variable you change and a control test you compare it to.
Changed chemically by man but not physically.
It is not flammable
It’s malleable and can be molded to different shapes
A good experiment contains the following:
True
True
It is a chemical reaction because there is a new smell, taste, and color.
a new substance has formed; it would be hard to reverse
One independent variable you change and a control test you compare it to.
Changed chemically by man but not physically.
It is not flammable
It’s malleable and can be molded to different shapes
What is a property of water that makes it useful for putting out fires?
True
True
It is a chemical reaction because there is a new smell, taste, and color.
a new substance has formed; it would be hard to reverse
One independent variable you change and a control test you compare it to.
Changed chemically by man but not physically.
It is not flammable
It’s malleable and can be molded to different shapes
What property of gold makes it useful in jewelry making?
True
True
It is a chemical reaction because there is a new smell, taste, and color.
a new substance has formed; it would be hard to reverse
One independent variable you change and a control test you compare it to.
Changed chemically by man but not physically.
It is not flammable
It’s malleable and can be molded to different shapes
How do you know when a chemical reaction has occurred?
True
True
It is a chemical reaction because there is a new smell, taste, and color.
a new substance has formed; it would be hard to reverse
One independent variable you change and a control test you compare it to.
Changed chemically by man but not physically.
It is not flammable
It’s malleable and can be molded to different shapes
T/F Synthetic things come from Natural things.
True
True
It is a chemical reaction because there is a new smell, taste, and color.
a new substance has formed; it would be hard to reverse
One independent variable you change and a control test you compare it to.
Changed chemically by man but not physically.
It is not flammable
It’s malleable and can be molded to different shapes
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?
True
True
It is a chemical reaction because there is a new smell, taste, and color.
a new substance has formed; it would be hard to reverse
One independent variable you change and a control test you compare it to.
Changed chemically by man but not physically.
It is not flammable
It’s malleable and can be molded to different shapes
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