Matter & Forces

We classify matter in...

• Two main categories: pure and mixtures substances.

• Three main categories: pure, mixtures and homogeneous substances.

• Four main categories: pure, mixtures, homogeneous and heterogeneous substances.

Pure substances consist of only one type of matter.

• False

• True

We can not see the individual substances in the Heterogeneous mixtures.

• False

• True

Matter exists in three different stages: solid, liquid and gas.

• False

• True

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Liquids haven´t a definite shape or a definite volume.

• False

• True

Gases haven´t a definite shape or a definite volume.

• True

• False

Tags

NGSS.MS-PS1-4

Solids have a definite shape and volume.

• False

• True

Physical chages can be reversible or irreversible.

• False

• True

We can separate an insoluble substance from a liquid, we use:

• Sieving

• Evaporation

• Magnetic separation

• Filtration

We can separate a soluble substance from a liquid, we use:

• Magnetic separation

• Evaporation

• Sieving

• Filtration