Lesson- Classifying Matter

Pure oxygen (O) is an example of...

• element

• compound

• mixture

H₂O is an example of...

• element

• compound

• mixture

What is kool-aid?

• element

• compound

• heterogeneous mixture

• homogeneous mixture

A taco is an example of a...

• homogeneous mixture

• heterogeneous mixture

Organize these options into the right categories

Groups:

(a) Element

,

(b) Compound

,

(c) Heterogeneous Mixture

,

(d) Homogeneous Mixture

• Sand and Salt Mixture

• Saltwater

• Carbon Dioxide (CO₂)

• Oil and Water

• Carbon (C)

• Water (H₂O)

• Vinegar

• Nitrogen (N)

• Salad

• Steel

• Fruit Salad

• Gold (Au)

• Iron (Fe)

• Glucose (C₆H₁₂O₆)

• Ammonia (NH₃)

• Air