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Physical Changes I
Chemical Changes I
Physical Changes II
Chemical Changes II
Miscellaneous
100
This means something is able to be hammered or flattened.
What is malleability?
100
A marshmallow toasted over a fire is an example of this.
What is a chemical change?
100
Melting butter in the kitchen is an example of this.
What is a physical change?
100
A gas being produced is a good sign of this.
What is a chemical change?
100
These are the 2 parts of a solution.
What is solute & solvent?
200
This is a term that means something is able to be dissolved.
What is soluble?
200
This is what has happened to flowers when they change color as they mature.
What is a chemical reaction?
200
Freezing water is an example of this.
What is a physical change?
200
Color change is usually good evidence of this.
What is a chemical reaction?
200
This is a mixture that appears to be the same throughout.
What is a solution?
300
After a mixture of water & sugar cools, there is a bit of white crystals at the bottom. This is what the crystals are.
What is sugar?
300
In a chemical reaction, this is what happens to a molecule’s movement when the temperature decreases.
What is its movement decreases?
300
This is how the atoms of a mixture are combined.
What is physically combined and can be separated?
300
This is most likely what has been created when baking soda and vinegar react and the product includes bubbles.
What is a gas?
300
This is a term for 2 or more elements that undergo chemical change.
What is a compound?
400
This is the point at which a solution can hold no more of the solute.
What is saturation?
400
This occurs when iron goes through a chemical reaction with salt water.
What is rust?
400
Vinegar would be an example of this type of mixture.
What is homogenous?
400
This is produced when a precipitate forms during a chemical reaction.
What is a solid?
400
This is the name for a chemical reaction that puts off heat.
What is an exothermic reaction?
500
This is how the atoms are combined in a mixture.
What is physically combined and can be separated physically?
500
This is a chemical reaction that absorbs heat energy.
What is an endothermic reaction?
500
A salad would be an example of this type of mixture.
What is heterogenous?
500
This must occur when a substance goes through a chemical change.
What is the formation of a new substance?
500
This is the best way to measure the gas produced in a chemical reaction.
What is in a closed system?