8th Grade Science Vocab List 2_ECM

smallest unit of matter

• atom
• molecule
• compound
• mixture

Tags

NGSS.MS-PS1-1

2 or more atoms chemically combined

• atom
• molecule
• proton
• neutron

Tags

NGSS.MS-PS1-1

substance in which all the atoms or molecules in a sample are the same type

• pure substance
• mixture
• atom
• molecule

the simplest pure substance made of one type of atom, cannot be broken down

• molecule
• compound
• mixture
• element

2 or more different elements, chemically combined

• compound
• physical property
• atom
• mixture

Tags

NGSS.MS-PS1-1

2 or more elements and/or compounds physically combined

• compound
• chemical property
• atom
• mixture

contains all the elements, arranged by atomic number

• physical properties
• chemical properties
• periodic table of elements
• law of conservation of mass

a mixture that appears uniform throughout, well-mixed

• pure substance
• element
• homogenous mixture
• heterogenous mixture

a mixture that does not appear uniform throughout, a combination of substances is clearly visible

• pure substance
• element
• homogenous mixture
• heterogenous mixture

milk

• homogenous mixture
• heterogenous mixture