Grade 7. Questions of Unit 8

• element
• compound
• mixture of elements
• mixture of compounds

Tags

NGSS.MS-PS1-1

• element
• compound
• mixture of elements
• mixture of compounds

Tags

NGSS.MS-PS1-1

• element
• compound
• mixture of elements and compounds
• mixture of compounds

Tags

NGSS.MS-PS1-1

• element
• compound
• mixture of elements
• mixture of compounds and elements

Tags

NGSS.MS-PS1-1

• element
• compound
• mixture of elements
• mixture of compounds

Tags

NGSS.MS-PS1-1

• element
• compound
• mixture of elements and compounds
• mixture of compounds

Tags

NGSS.MS-PS1-1

This method is a technique used in separating a less-dense substance from a denser one.

• decantation

• evaporation

• distillation

• filtration

This technique is based on the differences of the boiling point of the substance in the mixture.

• decantation

• distillation

• filtration

• chromatography

Tags

NGSS.MS-PS1-4

This involves using a strainer or a big screen to separate the components of solid mixtures.

• chromatography

• distillation

• sieving

• physical manipulation

What method of separating mixtures is shown in the picture?

• filtration

• distillation

• physical manipulation

• use of magnet