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properties of matter
definitions and descriptions
Term | Definition |
---|---|
What are physical properties? | Properties of matter that do not change the chemical nature. |
What are chemical properties? | properties of matter that do change the chemical nature matter will be changed into a new substance after the reaction |
(Physical or Chemical) properties of a substance can be easily observed | physical |
One can use thier 5 senses to determine the (Physical or Chemical) properties of a substance | physical |
(Physical or Chemical) properties usually describe how a substance reacts | chemical |
(Physical or Chemical) properties are not as easy to observe | chemical |
(Physical or Chemical) properties can be used to identify substances | both |
(Physical or Chemical) oxygen is odorless and colorless | physical |
(Physical or Chemical) copper turns green when exposed to the environment | chemical |
(Physical or Chemical) the piece of metal is magnetic | physical |
(Physical or Chemical) the density of water is 1.0 gram per cubic centimeter | physical |
(Physical or Chemical) Diamonds are a very hard substance | physical |
(Physical or Chemical) the tree is 8 meters high | physical |
(Physical or Chemical) sodium reacts very easily with other elements | chemical |
(Physical or Chemical) copper conducts electricity | physical |
(Physical or Chemical) water is a liquid | physical |
(Physical or Chemical) The mass of the Nacl sample is 30 grams | physical |
(Physical or Chemical) gold is nonflammable | chemical |
(Physical or Chemical) Alka-Seltzer tablets react with water to produce gas | chemical |
(Physical or Chemical) the color of the ball is red | physical |
(Physical or Chemical) Iron reacts with water to form rust | chemical |
(Physical or Chemical) the boiling point of water is 100 c | physical |
(Physical or Chemical) baking soda reacts with vinegar | chemical |
(Physical or Chemical) the gas is flammable | chemical |
(Physical or Chemical) oxygen is a gas | physical |
(Physical or Chemical) Aragon is not very reactive | chemical |
(Physical or Chemical) nitrogen is a colorless gas | physical |
(Physical or Chemical) the silver spoons tarnished and turned dark | chemical |
(Physical or Chemical) the piece of metal is magnetic | physical |
(Physical or Chemical) A students shirt suddenly bursts into flames | chemical |
(Physical or Chemical) silver necklaces tarnish and turn green | chemical |
True or False: With a physical change, no new substance is formed. | true |
True or False: With a chemical change, a chemical reaction occurs. | true |
True or False: With a physical change, energy is either given off or absorbed. | false |
True or False: A chemical change can be easily reversed. | false |
True or False: A catalyst speeds up a chemical reaction. | true |
When does a physical change occur? | when the size,shape or state of matter changes |
What type of change can be reversed? | physical change |
What would cause the molecules in matter to change? | extreme heat |
If a substance changes color, what most likely happened? | a chemical change has taken place |
Stepping on a bag of potato chips would be what kind of change? | physical change |
What is a clue that a chemical change has taken place? | a gas forms when the change takes place |
When autumn leaves change form green to red, orange and yellow, what has occurred? | a chemical change has occurred |
What type of change has occurred when a nail rusts | a chemical change |
What kinds of chemical changes happen inside of your body? | food is broken down by enzymes in your stomach |
What type of change has happened when an apple core has turned brown? | chemical change |
What type of change is weathering? | physical change |
How can salt be made? | in a chemical reaction between sodium and chlorine |
Example of a chemical change that happens over a period of time | rusting of metal |
What type of change occurs when glass breaks? | physical change |
Solubility is what kind of change | physical change |