Synthetic Materials review

Match each term with the correct definition

• materials made by humans

• Atom

• when 2 or more atoms chemically combine

• Synthetic materials

• smallest particle of an element

• Molecule

Tags

NGSS.MS-PS1-3

NGSS.MS-PS1-1

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

• different

• identical

• unchanged

• constant

Tags

NGSS.MS-PS1-2

_______________ and _________________ properties can be used to identify pure substances.

• Physical and chemical

• Color and shape

• Size and weight

• Texture and temperature

Plastic is an example of a(n) ______________________ because it is made from natural resources that have been chemically processed.

• synthetic material

• natural material

• biodegradable material

• organic material

Tags

NGSS.MS-PS1-3

______________________ can be chemically processed to make synthetic materials.

• Natural resources

• Metals

• Water

• Air

Tags

NGSS.MS-PS1-3

Synthetic materials are made up of:

• Natural fibers

• natural resources

• Minerals

• Metals

Tags

NGSS.MS-PS1-3

Which of the following is a chemical property of water?

• Reacts with pure sodium
• Boils at 100 ^oC
• Is liquid at room temperature
• Has a density of 1 gm/mL

Juan observes these properties of an unknown substance. The substance is white, has a crystaline structure, dissolves in water and burns when a flame is applied. What is a chemical property of the substance?

• color
• crystaline structure
• dissolves
• burns

Tags

NGSS.MS-PS1-2

The quantity of matter present in an object is called

• weight

• Gram

• mass

• density

Which one of these is a chemical property?

• melting point
• boiling point
• color
• flammability