matter and its properties

This substance can be separated by physical means

• Mixtures

• Pure Substances

• Elements

• Compounds

This substance can be separated by chemical means only

• Homogenous mixtures

• Heterogeneous misxtures

• Elements

• Compounds

How does the amount of energy change in the substance in the phase change from a solid to a liquid?

• energy is not affected

• increases the amount of energy

• decreases energy the amount of energy

• amount of energy cannot be determined

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture.

Gold (Au) and Oxygen (O2)

• Homogenous mixtures

• Heterogeneous mixtures

• Elements

• Compounds

Tags

NGSS.MS-PS1-1

Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture.

Water (H2O), Table Salt (NaCl)

• Homogenous mixtures

• Heterogeneous mixtures

• Elements

• Compounds

Tags

NGSS.MS-PS1-1

How does the amount of energy change in the substance in the phase change from gas to a liquid?

• energy is not affected

• increases the amount of energy

• decreases energy the amount of energy

• amount of energy cannot be determined

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture.

Gravel and Dirt

• Homogenous mixtures

• Heterogeneous mixtures

• Elements

• Compounds

Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture.

Maple Syrup and Seawater

• Homogenous mixtures

• Heterogeneous mixtures

• Elements

• Compounds

Identify the following changes as chemical or physical

Boiling Water

• Chemical

• Physical

• Cannot be determined

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A compound is

• a substance that is composed of two or more elements that are chemically bonded.

• a molecule formed by atoms of the same element.

• another word for an atom.

• any substances that can be split apart.

Tags

NGSS.MS-PS1-1