6.1 Mastery Check

Classify the following as a substance or a mixture:

Groups:

(a) Substance

,

(b) Mixture

• Sugar

• Copper

• Table Sale

• Concrete

• Trail mix

• Cereal

Classify the following substances as elements or compounds:

Groups:

(a) Elements

,

(b) Compounds

• Carbon Dioxide

• Oxygen

• Water

• Mercury

• Iron

• Aluminum

Classify the following mixtures as homogeneous or heterogeneous

Groups:

(a) Homogeneous

,

(b) Heterogeneous

• Saltwater

• Pizza

• Air

• Sand

• Soil

• Milk

• Bronze

• Paint

• Coffee

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

Groups:

(a) Element

,

(b) Compound

,

(c) Heterogeneous Mixture

,

(d) Homogeneous Mixture

• Oxygen

• Table Salt (NaCl)

• Vinegar (CH3COOH)

• Calcium

• Orange Juice with Pulp

• Milk

• Limestone (CaCO3)

• Peanut butter

• Hydrogen

• Helium

• Vegetable soup

• Lemonade

• Salad dressing

• Water (H2O)

• Saltwater

• Baking soda (NaHCO3)

Classify each picture:

a

b

c

Element

Compound

Mixture of Compounds

Tags

NGSS.MS-PS1-1

Classify each picture

a

b

c

Element

Mixture of Compounds and Element

Compound

Tags

NGSS.MS-PS1-1

What is matter?

• Matter is only found in solid form.
• Matter is a type of energy.
• Matter is anything that has mass and takes up space.
• Matter is a concept that cannot be measured.

Tags

NGSS.MS-PS1-5

What are substances?

• Substances are forms of matter with a definite composition and distinct properties.
• Substances have no specific properties or composition.
• Substances are mixtures of different materials.
• Substances are only liquids and gases.

What is a mixture?

• A mixture is a single substance with uniform properties.
• A mixture is a chemical reaction between two substances.
• A mixture is a solution that cannot be separated into its components.
• A mixture is a combination of two or more substances that retain their individual properties.

What is an element?

• An element is a basic building block of matter, represented by a unique symbol on the periodic table.
• An element is a form of energy that can be harnessed.
• An element is a mixture of different substances.
• An element is a type of chemical reaction.