Physical and Chemical Properties Review

Match each term on the right to the correct definition.

• requires a chemical interaction

• Physical property

• observed without making changes

• Chemical reaction

• definite composition and properties

• Chemical property

• a large amount of something

• Bulk quantities

• Occurs when 1 or more substances change

• Pure substance

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-5

If a chemical reaction occurs, the properties of substances before and after the substances interact must be _______different________.

• different

• identical

• unchanged

• constant

Tags

NGSS.MS-PS1-2

________ is a property that can be used to identify an unknown substance.

• texture

• Color

• density

• Shape

Each ________ has characteristic physical and chemical properties that can be used to identify it.

• compound

• mixture

• element

• pure substance

When a chocolate bar melts, the chemical properties of that substance are ____________.

• destroyed

• changed

• the same

• altered

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Which of the following is an example of a chemical reaction?

• Hydrogen (H₂) and oxygen (O₂) combining to form water.

• Water being heated and turning into steam.

Tags

NGSS.MS-PS1-2

Compare and contrast physical and chemical properties of matter. Both physical and chemical properties of matter can be used to identify a substance. Which of the following statements is true? Physical properties can be observed without changing the substance; however, chemical properties can only be observed when the substance is undergoing a chemical change.

• Physical properties can only be observed during a chemical change.

• Chemical properties can be observed without changing the substance.

• Physical properties can be observed without changing the substance.

• Both physical and chemical properties can be observed without changing the substance.

Examples of physical properties include all of the following EXCEPT (2 examples).

​ ​ (a)   ​ (b)  

• reactivity
• flammability
• shape
• color
• mass
• texture
• density
• luster
• smell

Which of the following is a physical property of matter?

• Flammability

• Density

• Reactivity

• Toxicity

Tags

NGSS.5-PS1-3

You could only use Hardness as a property for ....

• Tap Water
• Diamonds
• Air
• Lemonade