Quick Check #1

Is burning wood a chemical or physical change?

• chemical

• physical

• It can be both

• It is neither

Which of the following is NOT an example of chemical change?

• sour milk

• burning wood

• crushing a piece of chalk

• rust

what is the definition of physical change?

• any change that results in the formation of new chemical substances. 
• rusting
• changes affecting the form of a chemical substance, but not its chemical composition.
• any property that is measurable, whose value describes a state of a physical system

Which of the following would be considered a physical change?

• Cutting paper

• Reacting with acid

• Burning marshmellow

• Roasting a Turkey

Which of the following would NOT be a chemical property ?

• Boiling point

• Flammability

• Will the substance burn

• Does the substance react with acid?

• All of these are chemical properties

Which of the following is a Physical Property

• Toxicity

• Flammability

• Density

• Reactivity

When the temperature of matter decreases the particles ...

• speed up and move farther apart
• speed up and move closer together
• slow down and move farther apart
• slow down and move closer together

H₂ would be a(n) .....

• Mixture

• Compound

• Solid

• Element

A combination that can be separated by physical processes is a .....

• Pure Substance
• Glucose
• Element
• Mixture

Any characteristic of a material that you can only observe by changing the identity of the material.

• physical change

• chemical change

• physical property

• chemical property