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100
The three states of matter are______, _________, and _______?
What are a solid, liquid, and a gas?
100
When two substances come together to form new matter.
What is a chemical reaction?
100
The type of change that can be reversed.
What is physical?
100
Type of change when new matter is created.
What is a chemical change?
100
Describe how an acid tastes.
What is sour?
200
What pH does a neutral liquid (ex. water) have?
What is 7?
200
The gas that forms when water boils.
What is water vapor?
200
Wood burning and vegetables rotting is an example of what kind of chemical change?
What is a material that has a different smell?
200
Type of change that can not be reversed.
What is a chemical change?
200
Describe how a base tastes.
What is bitter?
300
A liquid that has a pH of 12 is a ______.
What is a base?
300
What is the color red cabbage juice turns when mixed with a base?
What is green/yellow?
300
The color red cabbage juice turns when mixed with an acid?
What is bright pink?
300
The color does grape juice turn when it's mixed with a base.
What is blue?
300
Taste sour, can be harmful, react and damage some metals, plastics, clothing, and skin
What are some properties of acids?
400
What is a base out of the following solutions: vinegar, lemon juice, orange juice, soap?
What is soap?
400
The color red litmus paper turns when it touches a base.
What is blue?
400
The color blue litmus paper turns when it touches an acid?
What is red?
400
The color grape juice turns when it mixes with an acid?
What is deep red?
400
Taste bitter, feel slippery, react and corrode many materials
What are some properties of bases?
500
Define Acid:
What is a compound that tastes sour and has a low pH?
500
Define Base:
What is a compound that tastes bitter, feels slippery, and has a high pH?
500
A scale used in science to describe how strong acids and bases are.
What is the pH scale?
500
Define Indicator:
What is a substance that changes color when it touches or mixes with an acid or base.
500
This measures the strength of acids and bases.
What is the pH scale?