DMV
Physical Change
Chemical Change
PH Scale
Properties
100
What is used to measure mass?
What is a triple beam balance.
100
Is a melted popsicle an example of a physical change?
What is YES? You can melt and refreeze a popsicle and it will still be a popsicle.
100
Is rust an example of a chemical change?
What is YES? You cannot change rust back into the metal is was before; therefore, it is a chemical change.
100
Does an alkaline or acid change red litmus paper blue?
What is an alkaline/base.
100
Color, temperature, state of matter, or texture are examples of ___________.
What is physical property.
200
What unit is used to label volume?
What is mL.
200
Is Alka-Seltzer and water an example of a physical change?
What is NO? When you mix Alka-Seltzer and water, bubbles form, which indicates a chemical change as taken place.
200
True or False: New substances are not made in a chemical change?
What is false.
200
Does an alkaline/base or acid change blue litmus paper red?
What is an acid.
200
Name 2 physical properties of ice.
What are cold, hard, solid, wet, etc.?
300
What unit is used to label mass?
What is grams/g.
300
Is a salad a chemical or physical change?
What is a physical change?
300
Name a food that is an example of a chemical change and explain why.
What is a cake, because you cannot turn a cake back into the eggs, flour, sugar, etc. that you mixed together?
300
What has a PH range from 0.-6.9?
What is an acid.
300
Name 2 physical properties of water.
What is liquid, wet, odorless, etc.
400
If the object has a higher density than the substance it is in, it will______.
What is sink.
400
Explain how water could be an example of a physical change.
What is freezing and melting water to and from ice is an example of a physical change?
400
True or False. Turning peanuts to peanut butter is an chemical change.
What is FALSE? To make peanut butter, you grind up roasted peanuts, so nothing new is being created.
400
What has a PH range from 7.1-14?
What is an alkaline/base.
400
Name 2 chemical property examples.
What is flammability, acidity, combustibility, etc
500
What does the density, mass, and volume calculation triangle look like?
500
What is a physical change?
What is a change that has occurred, but it does not change the substance.
500
Is this change reversible or not reversible?
What is not reversible.
500
What is a mixture of different indictors that can tell a substances PH?
What is a universal indicator.
500
Metal rusted when it reacts with oxygen is a?
What is a chemical property.