Grade 7 C - 8.1, 8.2, 8.3

What is a mixture?

• elements chemically combined
• a combination of different things
• it is found on the Periodic Table 
• it is made of chemical

When two or more substances are combined, the result is a(n)

• chemical change

• compounds

• mixture

• element

Which describes COMPOUNDS?

• Made of one type of atom

• Made of two or more types of atoms

Which of the following is a small particle that is the building block of matter?

• substance

• atom

• molecule

• mixture

Tags

NGSS.MS-PS1-1

Which best describes ELEMENTS?

• Made of only 1 type of atom

• Made of 2 or more types of atoms

Select all of the ELEMENTS from the list below.

• Oxygen

• Aluminum

• Air

• Copper

Select all of the mixtures shown below.

• 
• 
• 
• 
• 

Select all of the COMPOUNDS shown below.

• 
• 
• 
• 

Some substances like water and carbon dioxide are chemically combined in specific combinations. These are *

• compounds

• heterogeneous mixtures

• homogeneous mixtures

• elements

Which one of the following would you use to separate sand from iron filings?

• a bar magnet
• filter paper
• chromatography paper
• alum

Tags

NGSS.MS-PS2-5